Tag: nasa news

  • Madhya Pradesh’s SOP model for controlling forest fires will now be implemented across the country, with the help of NASA, solutions reach the spot within an hour

    Action takes place at the scene with the help of images received from NASA.

    Highlights

    Madhya Pradesh model of fire control has been appreciated by the Government of India. Measures are taken at the site of incident in less than an hour. Plan to implement SOP across the country including Uttarakhand.

    Saurabh Soni, Naiduniya, Bhopal: The Central Government has praised Madhya Pradesh’s Forest Fire Control SOP (Standard Operating Procedure for controlling forest fires). On this basis, a similar SOP is being prepared by the Government of India. This includes efforts made to extinguish forest fires, information about fire through public participation in the Agni portal and efforts to control it, including patrolling by forest staff.

    Public participation has proved to be the most effective way to prevent incidents of fire. The Union Ministry of Forest and Environment is now talking about doing the same experiment in Uttarakhand. Recently, the Union Forest and Environment Secretary had also said in a meeting of states that Madhya Pradesh’s SOP should be implemented across the country.

    NASA satellites are also used to prevent fire incidents. Forest fire locations are detected by MODIS sensors on NASA’s Aqua and Terra satellites. Fire control measures are taken at the site of the incident in less than an hour.

    Causes of forest fires

    Let us tell you, the National Disaster Management Authority (NDMA) and the Ministry of Environment, Forest and Climate Change (MoEFCC), Government of India conducted a study on the causes of forest fires in Madhya Pradesh and Uttarakhand in May 2023. It was found that forest fires occur due to both natural and man-made reasons.

    Wildfire disaster

    The Government of India had considered forest fires in Uttarakhand and Madhya Pradesh as a disaster. Better management was done to prevent these incidents. The result was that while 19,660 hectares of forest was affected by fire in Madhya Pradesh in the year 2021, only 4496.11 hectares of forest area caught fire in the year 2023. This year only 1190 hectares of forest area caught fire.

    One lakh people registered on the portal for public participation

    More than one lakh people have registered on the Van Agni portal. These people immediately inform the nearest forest staff on receiving information about forest fire. They also help in extinguishing the fire.

    The forest department makes the villagers living in the villages adjoining the forest area aware of the damage caused by forest fires. Due to this, the villagers are now alert and take measures to control the fire in collaboration with the forest staff.

    This experiment has proved effective in Betul district and Bandhavgarh Tiger Reserve. These are the two forest areas where incidents of fire have been the most frequent. But from the year 2023 till this July, incidents of fire have reduced by 75 percent.

    This is how control was done

    When villagers set fire to the fields, the forest staff monitors it. Forest staff is deployed in forest areas where fire is likely to occur. By downloading the app designed for forest fire control on the mobile phones of the forest staff, they reach the site of the fire quickly with the help of satellite images.

    Due to public participation, incidents of forest fires in Madhya Pradesh have reduced by 75 percent. The Government of India has appreciated our efforts.

    – Dilip Kumar, PCCF Protection Forest Department, Madhya Pradesh

  • Space News Weekly Recap: India’s first personal spaceflight, ISRO Mars return, and extra

    ISRO’s plans for Mars return

    During a presentation on ISRO’s future missions, Anil Bharadwaj, Director of the Ahmedabad-based Physical Research Laboratory, introduced that the house company deliberate to ship a probe to the pink planet.

    According to the preliminary plans charted out by the Indian house company, it’s going to construct a lunar lander and rover that shall be put into orbit by a Japanese rocket, with a touchdown deliberate close to the south pole of the Moon. “The rover will then travel to the permanent shadow region of the moon which never sees sunlight,” Bhardwaj mentioned, stories PTI.

    Inspired by Elon Musk’s SpaceX, the Mumbai-based Space Aura Aerospace Technology Pvt Ltd firm has begun to construct an area capsule measuring 10 ft x 8 ft, which might carry six vacationers apart from the pilot into house at a time. (Representational picture)
    Space Aura needs to ship house vacationers in balloon-propelled capsule

    Mumbai-based Space Aura has begun constructing an area capsule that measures 10 ft by 8 ft, capable of carry six vacationers and a pilot into house, based on PTI. The firm offered a prototype, named SKAP 1, throughout a science throughout an area convention held in Dehradun.

    The house capsule will reportedly be propelled by a balloon crammed with helium or hydrogen fuel, which might take it to as much as 25 kilometres above sea degree. At this peak, house vacationers can witness the Earth’s curvature and the blackness of house for round 1 hour, based on CEO Akash Porwal.

    ISRO’s Small Satellite Launch Vehicle pictured right here forward of its unsuccessful launch on August 7. India doesn’t but have a reusable rocket. (Image credit score: ISRO handout / PTI)
    ISRO’s first runway touchdown experiment of reusable launch car

    ISRO says it’s prepared for the primary runway touchdown experiment of its Reusable Launch Vehicle. (RLV) PTI stories that the RLV wing physique shall be carried to an altitude of three to 5 kilometres by helicopter and launched 4 to 5 kilometres away from the runway with horizontal velocity.

    If all goes based on plan, the RLV will glide, navigate in the direction of the runway and land autonomously utilizing its touchdown gear. New programs like touchdown gear, parachutes, hook beam meeting, a radar altimeter and pseudolite have reportedly already been developed and certified.

    The mission will assist the corporate take a look at its programs in house. (Source: @SkyrootA)
    India’s personal launch car’s maiden launch

    The Indian Express reported that Hyderabad-based Skyroot’s Vikram-S launch car is all set to go on its first flight between November 12 and November 16, from the spaceport in Sriharikota. The mission is known as “Prarambh” and can carry three business satellites into sub-orbital flight.

    “The Vikram-S rocket is a single-stage sub-orbital launch vehicle which will carry three customer payloads and help test and validate technologies in the Vikram series space launch vehicles,” mentioned Naga Bharath Daka, COO and co-founder of the corporate to The Indian Express.

    Artist’s impression of the James Webb Space Telescope in house. (Image credit score: NASA GSFC/CIL/Adriana Manrique Gutierrez)
    NASA works round JWST glitch

    NASA scientists had run right into a technical glitch with the James Webb Space Telescope’s Mid-Infrared instrument earlier this 12 months. Mission engineers have recognized the difficulty and have outlined new operational procedures to permit JWST to proceed science observations regardless of the glitch.

    The difficulty was with a grating wheel mechanism that helps Webb’s “medium-resolution spectroscopy” (MRS mode). Engineers found that the mechanism was exhibiting indicators of elevated friction. MRS mode was placed on maintain for some time until the engineers devised the brand new operational procedures.

    NASA engineer’s have secured the Artemis 1 mission’s SLS rocket and Orion spacecraft to guard them from the storm. (Image credit score: NASA / Twitter)
    Artemis 1 delayed, once more

    Tropical storm Nicole compelled NASA to as soon as once more postpone the scheduled launch date of its Artemis 1 mission. This time, the launch was shifted from November 14 to November 16. In the in the meantime, the Artemis 1 mission stack, which incorporates the SLS rocket and the Orion spacecraft, was left on the launch pad to climate the storm.

    According to the American house company, the SLS rocket can face up to speeds near 136 kilometres per hour or 74.4 knots. It can also be designed to endure heavy rains. To defend the Orion spacecraft, all of its hatches had been secured to make sure that water doesn’t enter.

    Through a phenomenon known as gravitational lensing, three totally different moments in a far-off supernova explosion had been captured in a single snapshot by NASA’s Hubble Space Telescope. (NASA, ESA, STScI, Wenlei Chen (UMN), Patrick Kelly (UMN), Hubble Frontier Fields/Handout by way of REUTERS)
    Hubble captures stellar demise

    In a uncommon prevalence, the Hubble Space Telescope was capable of seize three pictures which documented a supernova in “blow-by-blow” element, based on a Reuters report. The distant star is about 530 instances the dimensions of our Sun and is about 11.5 billion years away. The pictures had been found throughout a assessment of Hubble’s archival knowledge from 2010.

    Hubble was capable of seize these pictures because of a phenomenon of gravitational lensing. The immense gravitational drive exerted by a galaxy cluster in entrance of the supernova labored like a lens, bending and magnifying the sunshine from the supernova behind it.

    This photograph supplied by NASA reveals a Northrop Grumman cargo ship about to be captured by the International Space Station’s robotic arm on Wednesday, Nov. 9, 2022. The capsule delivered greater than 8,000 kilos of provides to the International Space Station on Wednesday, regardless of a jammed photo voltaic panel. (NASA by way of AP)
    Cygnus reaches ISS with one photo voltaic panel

    A Cygnus spacecraft was capable of carry a number of tons of provides to the International Space Station regardless of a jammed photo voltaic panel. When one of many photo voltaic panels of the spacecraft was jammed, flight controllers tried to open it many instances to no avail. Finally, missions groups determined to go forward with out the second photo voltaic panel because the flight was managing to attract sufficient energy with only one.

    Space station crew took footage of the spacecraft because it approached to know what went unsuitable. According to Reuters, a chunk of particles from the Antares rocket which launched the spacecraft had grow to be lodged within the photo voltaic panel’s mechanism throughout liftoff. This was what prevented the second panel from deploying.

    Image credit score: NASA
    NASA completes LOFTID demonstration

    NASA efficiently accomplished the Low-Earth Orbit Flight Test of an Inflatable Decelerator (LOFTID) mission, which demonstrated expertise that would someday assist land people on Mars. The Hypersonic Inflatable Aerodynamic Decelerator (HIAD) expertise was developed by the house company over greater than a decade.

    The whole HIAD system is foldable, packable and deployable, which implies that it takes up much less house on rockets in comparison with inflexible options. This additionally permits the design to be scalable. The massive dimension of the system additionally implies that it creates extra drag and begins the deceleration course of greater within the environment than typical options.

    Artist’s illustration of NASA’s CAPTONE spacecraft. (Image credit score: NASA Ames Research Centre/ Twitter)
    NASA’s CAPSTONE about to enter lunar orbit

    NASA says its CAPSTONE CubeSat is scheduled to enter the Moon’s orbit on November 13. The microwave-sized CubeSat weighing round 25 kilograms is designed to check a novel lunar orbit known as a close to rectilinear halo orbit, (NRHO) which could be very elongated and is situated at a exact stability level between the gravities of the Earth and the Moon.

    This orbit might assist future long-term missions like Gateway maintain a lunar orbit by spending a minimal quantity of vitality. Apart from the orbit, the CAPSTONE mission additionally demonstrates a key software program expertise— the Cislunar Autonomous Positioning System (CAPS). CAPS makes use of a spacecraft-to-spacecraft navigation resolution that permits it to find out its location in house with out counting on monitoring from Earth.

  • International Space Station to renew spacewalks, six months after incident

    NASA has greenlit spacewalks exterior of the International Space Station after a flight readiness evaluation. Spacewalks have been suspended for practically seven months since March 23 when a small quantity of water was present in ESA (European Space Agency) astronaut Matthias Maurer’s helmet.

    “Crew safety is the top priority of NASA and our international partners. I’m proud of the space station and ground teams’ work to keep our crew members safe, for taking the time necessary to close out the investigation, and for continually findings ways to mitigate risks in human spaceflight,” mentioned Kathryn Lueders, affiliate administrator for NASA’s Space Operations Mission Directorate, in a press assertion.

    After Maurer’s spacewalk months in the past, the crew on the area station instantly eliminated his helmet and labored with NASA’s floor assist workforce to collect information on the problem. The American area company categorised the occasion as an in depth name and declared a cease to all pending spacewalks.

    Samples of the water and among the {hardware} in Maurer’s go well with have been despatched again to Earth with the Russian Soyuz 65S and NASA’s SpaceX Crew-2 mission. The complete spacesuit was then returned with the SpaceX CRS-25 mission for detailed evaluation.

    What did the investigation reveal?

    After finishing an in depth take a look at and teardown of the area go well with, and evaluating the water samples and go well with {hardware} to see what occurred, NASA groups confirmed that there have been no {hardware} failures with the go well with.

    According to the area company, it’s probably that the surplus water within the spacesuit was fashioned by condensation because of the built-in methods performing a number of settings for crew exertion and crew cooling on the similar time.

    Along with updating operational procedures, area station groups have developed new mitigation {hardware} to cut back the chance of such condensation resulting in water accumulation, whereas additionally absorbing any water if it seems. NASA’s administration groups accepted the return to regular operations after the brand new operational procedures and mitigation {hardware} was added.

  • NASA Double Asteroid Redirection Test reside: DART spacecraft’s deliberate collision

    NASA says that its DART (Double Asteroid Redirection Test) spacecraft is scheduled to collide with the asteroid Dimorphos at roughly 7.14 PM EDT on September 26 (4.44 AM IST on September 27). The mission would be the first to check a “kinetic impactor” technique of planetary defence, which entails altering the trajectory of asteroids that threaten Earth by crashing a high-speed spacecraft into it.

    Dimorphos doesn’t pose a menace to earth however the knowledge obtained from DART’s crash with will probably be in comparison with the info from varied pc simulations run by scientists to establish whether or not this kinetic impactor technique will stay a viable choice in case of an precise threatening asteroid. Scientists don’t but know the precise mass of Dimorphos however it’s estimated to be round 5 billion kilograms. The DART spacecraft weighs round 600 kilograms. NASA scientists use the analogy of a “golf cart crashing into the Great Pyramid” to explain the crash. In the occasion of an precise menace, this kinetic impactor technique must be carried out years and even a long time earlier than the anticipated crash time in an effort to meaningfully change the trajectory of the asteroid that threatens the Earth.

    NASA’s livestream of the DART mission will begin at 6 PM EDT on September 26 (3.30 AM IST on September 27. You can watch it on NASA TV, NASA’s cellular app, its YouTube channel or by the window above. You can learn reside updates under.

  • Space information weekly recap: Artemis I cryogenic check to Webb photos of Mars

    NASA’s Artemis 1 cryogenic tanking demonstration check

    After the demonstration, launch director Charlie Blackwell-Thompson stated that each one the targets have been met. After hours of points, NASA finally managed to load almost 1 4 million litres of gasoline into the rocket. After the aborted launch try on September 3, the area company had changed two seals within the leaky line.

    After this, NASA up to date the loading procedures to make sure that the assorted methods are put below a lot much less thermal and strain stress. After the leak appeared through the check on Wednesday, the launch workforce started transferring much more slowly. After deciding to forego the launch window on September 27, the American area company stated that it’ll determine whether or not to roll the rocket and spacecraft from the launch pad to the Vehicle Assembly Building on Sunday (September 25).

    In this picture made out there from the twitter account of UAE Vice President and Prime Minister and ruler of Dubai, Emirati officers transient Sheikh Mohammed bin Rashid Al Maktoum a few doable moon mission, Sept. 29, 2020, in Dubai, United Arab Emirates. (Image credit score: Sheikh Mohammed bin Rashid Al Maktoum Twitter account by way of AP, File)
    UAE to launch lunar rover

    The United Arab Emirates plans to launch its first lunar rover from the Kennedy Space Center in Florida between November 9 and November 15, in response to an AP report. The “Rashid” rover, named after Dubai’s ruling household could be launched on a SpaceX Falcon 9 rocket and will probably be deposited by a Japanese ispace lander.

    The 10-kilogram rover will carry a microscopic digicam, a thermal imagery digicam, two high-resolution cameras, a probe and different devices. It is predicted to check the lunar floor and the way totally different surfaces work together with lunar particles.

    James Webb Space Telescope: The picture incorporates a floor reference map taken by NASA’s Mars Global Surveyor on the left and two Webb NIRCam instrument fields overlaid on the suitable. (Image credit score: NASA/ESA/CSA/STScI and Mars JWST/GTO workforce)
    James Webb Space Telescope’s first Mars photos and spectra

    The James Webb Space Telescope (JWST) captured its first photos and spectra of the pink planet on September 5, 2022. Last week, the European Space Agency (ESA) launched these photos and spectra.

    This could not sound like a very spectacular feat for a telescope that managed to picture the Carina nebula with such nice particulars however imaging of Mars offered a unique set of technical challenges. In comparability to the distant objects captured by Webb, Mars may be very near Earth. The extraordinarily delicate devices on Webb might get “blinded” by the intense infrared mild coming from Mars, because of a phenomenon generally known as “detector saturation.” In order to keep away from this, scientists had to make use of particular detection strategies that concerned using very brief exposures and measuring solely a few of the mild that hits the detectors.

    The InSight lander was the primary to detect a quake on one other planet. (Image credit score: NASA/JPL-Caltech)
    NASA’s InSight lander detects area rock impacts

    NASA’s InSight lander detected the seismic and acoustic waves from the affect of 4 meteorites on the Martian floor. It additionally calculated the placement of the craters left by the area rock, which in response to Reuters is the primary such measurement wherever apart from Earth.

    “These seismic measurements give us a completely new tool for investigating Mars, or any other planet we can land a seismometer on,” stated planetary geophysicist Bruce Banerdt of NASA’s Jet Propulsion Laboratory, the InSight mission’s principal investigator to Reuters. The researchers used the area company’s Mars Reconnaissance Orbiter to substantiate the placement of the craters.

    NASA’s DART spaceraft picture: From left to proper, you’ll be able to see Ganymede, Jupiter, Europa, Io and Callisto. (Image credit score: NASA/Johns Hopkins APL)
    DART captures picture of Jupiter and 4 Moons

    NASA’s DART (Double Asteroid Redirection Test) spacecraft captured a picture of Jupiter and its 4 massive moons whereas on its path to crash into the asteroid Dimorphos to check a planetary defence approach.

    DART’s mission operations workforce pointed the spacecraft’s DRACO (Didymos Reconnaissance and Asteroid Camera for Optical) instrument and Jupiter to check its SMART Nav system that’s designed to autonomously information the spacecraft to Dimorphos earlier than affect. DRACO efficiently detected and focused Jupiter’s moon Europa in a check of the way it will visually separate Dimorphos from the bigger Didymos asteroid earlier than the affect.

    Neptune doesn’t seem blue within the Near-Infrared Camera (NIRCam) picture from Webb as a result of it captures mild within the near-infrared vary. (Image credit score: NASA, ESA, CSA, STScI)
    James Webb Space Telescope picture of Neptune and rings

    The Webb telescope captured the clearest picture of Neptune and its rings because the Voyager 2 spacecraft flew by it in 1989. The Webb picture clearly reveals Neptune’s varied vivid, slim rings and its fainter mud bands as properly.

    Neptune seems blue in Hubble photos captured at seen wavelengths because of the presence of gaseous methane. But it seems totally different within the photos captured by Webb’s NIRCam, which captures mild within the near-infrared vary. Methane fuel so strongly absorbs pink and infrared mild that the planet may be very darkish at these wavelengths until high-altitude clouds are current.

    In this picture launched by United Launch Alliance, a categorised satellite tv for pc for the U.S. National Reconnaissance Office is launched into orbit aboard a United Launch Alliance Delta 4 Heavy rocket on Saturday, Sept. 24, 2022, at Vandenberg Space Force Base in California’s Santa Barbara County. It was the final launch of a Delta 4 from the West Coast. (United Launch Alliance by way of AP)
    American spy satellite tv for pc launched

    The US National Reconnaissance Office’s NROL-91 spy satellite tv for pc lifted off from the Vandenberg Space Force Base in California on the United Launch Alliance’s Delta 4 Heavy rocket on September 24.

    AP reviews that the National Reconnaissance Office is a US authorities company that’s accountable for growing, constructing, launching and sustaining American spy satellites that present intelligence knowledge to policymakers, intelligence businesses and the nation’s Defense Department.

    NASA’s Cassini captured this picture of Saturn’s Moon Enceladus on October 9, 2008. (Image Credit: NASA/JPL/Space Science Institute)
    Saturn’s moon Enceladus

    New analysis suggests {that a} key constructing block of life is current on Saturn’s moon Encaladus’ subsurface ocean. The researchers’ modelling indicated that the ocean on Enceladus is comparatively wealthy in dissolved phosphorous, which is a vital ingredient for all times. A analysis article documenting the research has been revealed in Proceedings of the National Academy of Sciences (PNAS).

    “The quest for extraterrestrial habitability in the solar system has shifted focus, as we now look for the building blocks for life, including organic molecules, ammonia, sulfur-bearing compounds as well as the chemical energy needed to support life. Phosphorus presents an interesting case because previous work suggested that it might be scarce in the ocean of Enceladus, which would dim the prospects for life,” defined Christopher Glein in a press assertion. Glein, who’s a co-author of the analysis paper, is an knowledgeable in extraterrestrial oceanography.

    In this picture, the auroral area, which isnear the northern pole, in yellow/white, is seen shedding a large planetary-scale “heat wave” transferring in direction of the equator. This characteristic is over 130,000 kilometre lengthy or ten occasions the diameter of Earth. (Image credit score: Hubble / NASA / ESA / A. Simon (NASA GSFC) / J. Schmidt / James O’Donoghue)
    ‘Heat waves’ brought on by Jovian auroras

    JAXA (Japanese Aerospace Exploration Agency) scientists found an sudden 7000 levels Celsius wave of warmth spreading throughout 130,000 kilometres on Jupiter, which is uncommon contemplating that it has common temperatures that hover round minus 145 levels Celsius.

    Jupiter experiences everlasting auroras round its poles and these auroras are what’s heating the area across the poles to over 700 levels Celsius. The winds on the planet then redistribute this warmth round Jupiter.

  • Artemis-1 launch aborted once more after liquid hydrogen leak

    Space company NASA needed to abort its Artemis-1 mission for the second time in per week, after the recurrence of liquid hydrogen leak in one of many engines of the rocket.

    An analogous downside had aborted the scheduled launch of the mission final Sunday (August 29) as nicely, other than the truth that one of many engines had not cooled right down to desired ranges. Over the week, NASA engineers had labored on the issues and thought that they had mounted it. But the leakage recurred a number of occasions forward of Saturday night time’s launch, with engineers constantly engaged in firefighting.

    After the leak appeared for the third time, NASA determined to name off the launch. NASA was focusing on a two-hour launch window, beginning 11.47 pm India time. There are launch home windows out there on September 5 and September 6, but it surely was not clear whether or not NASA would take one other shot at sending the mission so quickly.

    Artemis-1 is meant to be the beginning of a brand new era of interplanetary area missions whose particular goal is to get people again on the moon, after which a lot deeper into area, hopefully on different planets as nicely. Artemis-1 isn’t carrying any astronauts although. It is an exploratory mission, meant to arrange the muse for extra formidable missions sooner or later that aspire to arrange everlasting base stations on the moon.

    Fifty years after the Apollo missions took people to the lunar floor for the primary time, there’s a renewed curiosity now in going again to the moon, this time for for much longer time, with the hope of exploiting the lunar sources and arrange everlasting bases.

  • NASA Artemis 1 launch aborted as a result of malfunctioning engine: What went flawed

    NASA has postponed the launch of the Artemis 1 mission as one of many Space Launch System (SLS) rocket’s 4 RS-25 engines malfunctioned throughout the tanking phases. The 4 liquid-propelled engines had been speculated to be bled with liquid hydrogen and oxygen to situation them forward of launch however workforce engineers seen that engine quantity 3 was not bleeding as anticipated. The subsequent obtainable launch window is on Friday, September 2. But NASA hasn’t but confirmed whether or not it would make one other try on that day.

    Initially, the workforce proposed a plan the place they might shut the pre-valves on engines 1, 2 and 4 to extend stress and let the tank vent by way of the third engine. But even after going by way of with this troubleshooting, the groups didn’t observe the engine bleed they had been on the lookout for on engine quantity 3. At this level, NASA had put the countdown clock on maintain at T-minus 40 minutes because the hydrogen workforce got here up with new potential troubleshooting choices they may talk about with the director.

    Eventually, no resolution was discovered and the launch window needed to be deserted. But that was not the one situation that the workforce confronted.

    ‘Crack in the tank’

    Another situation that occurred throughout tank operations was what appeared like a crack within the inside tank’s flange. There was some frost build-up and indicators of vapour trails within the higher stage that indicated a possible structural crack within the tank. Engineers evaluated the visuals from the digicam and concluded that there was no structural crack within the tank. Instead, ice was shaped by frozen air that was trapped inside a crack within the kind.

    NASA spokesperson Derron Nail added that there was a historical past of such a phenomenon going again to the house shuttle days.

    Hydrogen leak throughout core stage fuelling

    When the Artemis launch workforce was transitioning from “slow filling” to “fast filling” hydrogen, they noticed a rise within the quantity of hydrogen that was allowed to leak into the purge can, which exceeded 4 per cent. Responding to this. The workforce checked out all the information and slowed down the filling of hydrogen till the leak went right down to beneath the utmost acceptable ranges. The situation didn’t reoccur even after the workforce resumed quick filling the tank.

  • Scientists use NASA’s Fermi knowledge to search out supply of maximum high-energy cosmic particles

    Thanks to a research that used 12 years of knowledge from NASA’s Fermi Gamma-ray Space Telescope, scientists are lastly getting near precisely figuring out PeVatrons, the supply of a number of the highest vitality particles that whip throughout our galaxy. The research has been documented in a analysis article revealed in Physical Review Letters.

    Streams of particles referred to as cosmic rays journey at breakneck speeds round our galaxy they usually additionally strike our planet’s ambiance. They sometimes include protons however generally additionally embrace atomic nuclei and electrons. They all carry an electrical cost, which means that their paths deviate and scramble as they undergo our galaxy’s magnetic discipline.

    This implies that we are able to not inform which course they initially got here from, successfully masking their birthplace. But when the particles which are a part of cosmic rays collide with the gasoline close to supernova remnants, they produce gamma rays; a number of the highest-energy types of radiation that exist.

    “Theorists think the highest-energy cosmic ray protons in the Milky Way reach a million billion electron volts, or PeV energies. The precise nature of their sources, which we call PeVatrons, has been difficult to pin down,” stated Ke Fang, an assistant professor of physics on the University of Wisconsin, Madison, in a NASA press assertion.

    These particles get trapped by the chaotic magnetic fields close to supernova remnants. They cross by way of the supernova’s shock wave a number of instances and every time they do, they acquire velocity and vitality. Eventually, they will not be held by the supernova remnant and can careen off into deep area. These particles are boosted to 10 instances the vitality that the Large Hadron Collider, essentially the most highly effective man-made particle accelerator, can generate.

    Scientists have recognized a number of areas that might be PeVatrons, producing these high-energy excessive cosmic particles. Many of those candidates are naturally supernova remnants. But out of the 300 recognized remnants, just a few emit gamma rays with sufficiently excessive energies to be thought-about as a PeVatron candidate.

    G106.3+2.7, a comet-shaped cloud positioned about 2,600 gentle years away from us within the course of the Cepheus constellation, is likely one of the prime candidates. The northern finish of the supernova remnant is marked by the presence of a brilliant pulsar and astronomers consider each objects fashioned in the identical explosion.

    “This object has been a source of considerable interest for a while now, but to crown it as a PeVatron, we have to prove it’s accelerating protons. The catch is that electrons accelerated to a few hundred TeV can produce the same emission. Now, with the help of 12 years of Fermi data, we think we’ve made the case that G106.3+2.7 is indeed a PeVatron,” defined Henrike Fleischhack on the Catholic University of America in Washington and NASA’s Goddard Space Flight Center in Greenbelt, Maryland, in a press assertion. Fleischhack is likely one of the co-authors of the analysis article.

    Fermi’s main instrument, its Large Area Telescope detected GeV (billion electron volt) gamma rays from G106.3+2.7’s prolonged tail. The VERITAS system at Fred Lawrence Whipple Observatory in southern Arizona recorded even higher-energy gamma rays from the identical area. TeV (100 trillion electron volt) readings have been noticed by observatories in Mexico and China, within the space probed by Fermi and Veritas.

    J2229+6114, the pulsar on the northern finish of the supernova remnant emits its personal gamma rays because it spins, similar to a lighthouse emits gentle. The glow from the pulsar dominates the area in the course of the first half of the rotation because it emits energies within the vary of some GeV. The analysis time period solely analysed gamma rays arriving from the remnant in the course of the latter a part of the cycle, successfully turning off the pulsar.

    There was no important emission from the remnant’s tail beneath 10 GeV. Above that vitality, the pulsar’s interference is negligible and it grew to become clear that there’s an extra supply of radiation. The staff carried out detailed evaluation that overwhelmingly favours PeV protons because the particles driving the gamma-ray emission.

  • James Webb Space telescope uncovers Cartwheel galaxy beforehand shrouded in thriller

    NASA’s James Webb Space Telescope has captured this detailed picture of the Cartwheel Galaxy and two of its smaller companions utilizing its highly effective infrared cameras. Webb seemed deep into the chaos of Cartwheel and has helped reveal particulars about star formation and the central black gap within the galaxy. The newest picture from Webb additionally offers insights into how the galaxy has developed over billions of years.

    The Cartwheel has beforehand been examined by different house telescopes together with Hubble however given the quantity of mud that obscures our view of it, the galaxy has been troublesome to look at. Webb’s means to detect infrared mild has helped astronomers uncover new insights into the character of the galaxy.

    The Cartwheel Galaxy is about 500 million light-years away from us within the path of the Sculptor constellation. Its form, which resembles the wheel of a wagon, is a cosmic rarity and occurred as the results of an intense occasion: a high-speed collision between a large spiral galaxy and a smaller galaxy not seen on this picture.

    The galactic collision has had an attention-grabbing impact on the form and construction of the Cartwheel. It has two rings: a vibrant inside one surrounded by a vibrant outer one. Just like how ripples kind in a pond while you toss a stone into it, these two rings develop outwards from the centre of the collision. Cartwheel is known as a hoop galaxy by astronomers on account of these options.

    Time to reinvent the wheel.

    Here’s the Cartwheel Galaxy in a complete new mild — as a composite picture from 2 devices on the Webb telescope. Webb uniquely gives not only a snapshot of the galaxy’s present state, but in addition a peek into its previous & future: https://t.co/QdXPwAwwac pic.twitter.com/SJD3wTxwRP

    — NASA Webb Telescope (@NASAWebb) August 2, 2022

    Great quantities of sizzling mud contained within the vibrant core of the galaxy are residence to humongous younger star clusters. Star formation and supernovas dominate the outer ring, which has been increasing for about 440 million years. The outer ring smashes into surrounding fuel and stars because it expands, thereby triggering star formation.

    The knowledge from Webb’s observations emphasise how the Cartwheel is in a really transitory stage. The galaxy is presumed to have been a traditional spiral galaxy just like the Milky Way earlier than the collision.

  • AI artwork instrument Midjourney has all of the solutions to ‘what if’

    Inspired by the not too long ago launched pictures of the universe by NASA, the primary immediate I fed into the Artificial Intelligence (AI) instrument of analysis lab Midjourney was “a spaceship surrounded by galaxies”. The consequence, as pictured under, was a picture of a vessel suspended in house that appears to replicate the cosmos round it – just about true to the immediate.

    A spaceship surrounded by galaxies (Credit: Midjourney)

    For Midjourney’s founder David Holz, a robust side of generative AI is its “ability to unify with language”, the place we will “use language as a tool to create things”. In easy phrases, generative AI makes use of instructions from the person to create novel pictures based mostly on the dataset it has learnt from completely different sources over time.

    The rise of text-to-image era has additionally raised philosophical questions over the definition of an ‘artist’.

    British mathematician Marcus du Sautoy argues in his guide, The Creativity Code (Art and Innovation within the Age of AI), 2019, “Art is ultimately an expression of human free will and until computers have their own version of this, art created by a computer will always be traceable back to a human desire to create.” He states that if we have been to create a “mind” in a machine, it could maybe provide a glimpse into its ideas. “But we are still a long way from creating conscious code,” du Sautoy concludes.

    Similarly, Holz notes, “It’s important that we don’t think of this as an AI ‘artist’. We think of it more like using AI to augment our imagination. It’s not necessarily about art but about imagining. We are asking, ‘what if’. The AI sort of increases the power of our imagination.”

    Midjourney permits its customers to feed of their prompts on its Discord server after which generates 4 pictures akin to the textual content. The person can select to discover extra variations and upscale the proper match to a better high quality picture. The bot entered open beta final month, giving customers a sure variety of free trials to deliver their imaginations to life. The pictures generated will also be minted into NFTs, for which, till not too long ago, Midjourney charged royalties.

    “It’s a giant community of almost a million people who are all making images together, dreaming and riffing off each other. All of the prompts are public and everybody can see each other’s images… that’s pretty unique,” Holz tells indianexpress.com.

    Holz co-founded Leap Motion, a hand-tracking movement seize user-interface firm, in 2010, and was featured within the Forbes 30 beneath 30 record of 2014. He now runs a small self-funded analysis and design lab, Midjourney, which is exploring a bunch of various initiatives, together with the AI visualisation instrument, with 10 different colleagues.

    Elaborating on the response acquired by the AI bot, Holz says, “A lot of people are very happy and find using the product a deeply emotional experience. People use it for everything from a project to art therapy. There are people who have always had things in their mind but were unable to express it before. Some people have conditions like aphantasia, where the mind can’t visualise things, and they are now using the bot to visualise for the first time in their life. There’s a lot of beautiful stuff happening.”

    The bot additionally takes care to stop the misuse of the platform to generate offensive pictures. The neighborhood pointers urge customers to chorus from utilizing prompts which are “inherently disrespectful, aggressive, or otherwise abusive” in addition to generate “adult content or gore”. Midjourney additionally makes use of moderators who be careful for individuals violating the insurance policies and provides them a warning or ban them. It additionally has automated content material moderation the place sure phrases are banned on the server. The AI, too, learns from person information, Holz explains. “If people don’t like something, it generates less of that.”

    I chanced upon the Midjourney bot throughout a cursory look by my Twitter feed, the place I noticed person psychedelhic’s renditions of a considerably post-apocalyptic Delhi.

     

    Having beforehand dabbled with AI bots like Disco Diffusion and Craiyon, an attention-grabbing side of discovering Midjourney was how completely different AIs would reply to the identical texts. The photos under present the outcomes generated with the identical immediate, ‘city during monsoon rains’, by Midjourney, Disco Diffusion, a free-to-use AI instrument hosted by Google Colab, and Craiyon, previously referred to as DALL-E mini.

    A metropolis throughout monsoon rains (Credit: Craiyon)
    A metropolis throughout monsoon rains (Credit: Disco Diffusion)
    A metropolis throughout monsoon rains (Credit: Midjourney)

    While Craiyon throws up comparatively practical pictures, Disco Diffusion reveals surreal, impressionistic outcomes, and Midjourney sits considerably in the midst of the 2.

    According to Holz, Midjourney could be understood as a “playful, imaginative sandbox”. “The goal is to give everybody access to that sandbox, so that everyone can understand what’s possible and where we are as a civilisation. What can we do? What does this mean for the future?”

    Holz dismisses fears that AI is right here to “replace” people or their jobs. “When computer graphics was invented, there were similar questions — will this replace artists? And it hasn’t. If anything, computer graphics makes artists more powerful,” he says.

    Holz provides, “Whenever we see something new, there’s a temptation to try and figure out if it’s dangerous and we treat it like a tiger. AI isn’t a tiger. It’s actually more like a big river of water. A tiger is dangerous in a very different way than water. Water is something that you can build a boat for, you can learn to swim, or you can create dams that make electricity. It’s not trying to eat us, it’s not angry at us. It doesn’t have any emotion or feelings or thoughts. It’s just like a powerful force. It is an opportunity.”