अंतरिक्ष विज्ञान – Page 9 – आवारा मुसाफिर

Webb inspects the heart of the Phantom Galaxy

September 2, 2022274 Views

The James Webb Space Telescope has revealed stunning details of the galaxy M74, nicknamed the Phantom Galaxy. New images of the spectacular Phantom Galaxy, M74, showcase the power of space observatories working together in multiple wavelengths. In this case, data from the NASA/ESA/CSA James Webb Space Telescope and the NASA/ESA Hubble Space Telescope complement each other to provide a comprehensive view of the galaxy. This image from the NASA/ESA/CSA James Webb Space Telescope shows the heart of M74, otherwise known as the Phantom Galaxy. Webb’s sharp vision has revealed delicate filaments of gas and dust in the grandiose spiral arms which wind outwards from the centre of this image. A lack of gas in the nuclear region also provides an unobscured view of the nuclear star cluster at ...

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NASA postpones debut Artemis test flight of new moon rocket after engine snag

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August 29, 2022270 Views

Florida blast-off had been targeted for MondayArtemis program seeks to return humans to moon, perhaps by 2025Program is successor to Apollo moon missions 50 years ago An engine problem forced NASA on Monday to postpone for at least four days the debut launch of the colossal rocketship it hopes will one day fly astronauts back to the moon, more than a half-century after Apollo's last lunar mission. The U.S. space agency cited a problem on one of the Space Launch System (SLS) rocket's main engines, as launch teams began a test that would have cooled the engines for liftoff. One of them would not cool as expected. NASA’s Space Launch System (SLS) rocket with the Orion spacecraft aboard is seen at sunrise atop the mobile launcher at Launch Pad 39B, as the Artemis I launch teams load ...

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An extrasolar world covered in water?

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August 25, 2022190 Views

An international team of researchers led by Charles Cadieux, a Ph.D. student at the Université de Montréal and member of the Institute for Research on Exoplanets (iREx), has announced the discovery of TOI-1452 b, an exoplanet orbiting one of two small stars in a binary system located in the Draco constellation about 100 light-years from Earth. The exoplanet is slightly greater in size and mass than Earth and is located at a distance from its star where its temperature would be neither too hot nor too cold for liquid water to exist on its surface. The astronomers believe it could be an “ocean planet,” a planet completely covered by a thick layer of water, similar to some of Jupiter’s and Saturn’s moons. In an article published in The Astronomical Journal, Cadieux and his team describ...

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NASA poised for historic Artemis I lunar launch from Florida

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August 23, 2022657 Views

A half century after the end of NASA's Apollo era, the U.S. space agency's long-anticipated bid to return astronauts to the moon's surface remains at least three years away, with much of the necessary hardware still on the drawing board. But NASA aims to take a giant leap in its renewed lunar ambitions with the debut launch set for next Monday in Florida of its next-generation megarocket, the Space Launch System (SLS) and the Orion crew capsule it is designed to carry. NASA's next-generation moon rocket, the Space Launch System (SLS) Artemis 1 rocket with its Orion crew capsule stands on launch pad 39B at the Kennedy Space Center in Cape Canaveral, Florida, U.S. August 17, 2022. REUTERS/Joe Skipper The combined SLS-Orion spacecraft is due for blastoff from the Kennedy Space Cente...

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New space telescope shows Jupiter’s auroras, tiny moons

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August 22, 2022310 Views

The world’s newest and biggest space telescope is showing Jupiter as never before, auroras and all. Scientists released the shots Monday of the solar system’s biggest planet. The James Webb Space Telescope took the photos in July, capturing unprecedented views of Jupiter’s northern and southern lights, and swirling polar haze. Jupiter’s Great Red Spot, a storm big enough to swallow Earth, stands out brightly alongside countless smaller storms. One wide-field picture is particularly dramatic, showing the faint rings around the planet, as well as two tiny moons against a glittering background of galaxies. This image provided by NASA shows a false color composite image of Jupiter obtained by the James Webb Space Telescope on July 27, 2022. The planet’s rings and some of its small...

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Galaxies merger produces a spectacular cosmic dance

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August 17, 2022385 Views

ESO telescope captures an event that started around a billion years ago ESO’s Very Large Telescope (VLT) has imaged the result of a spectacular cosmic collision — the galaxy NGC 7727. This giant was born from the merger of two galaxies, an event that started around a billion years ago. At its centre lies the closest pair of supermassive black holes ever found, two objects that are destined to coalesce into an even more massive black hole. Just as you may bump into someone on a busy street, galaxies too can bump into each other. But while galactic interactions are much more violent than a bump on a busy street, individual stars don’t generally collide since, compared to their sizes, the distances between them are very large. Rather, the galaxies dance around each other, with gravity ...

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Scientists find an exotic black hole deemed a ‘needle in a haystack’

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July 19, 2022226 Views

Astronomers have spotted in a galaxy adjacent to our Milky Way what they are calling a cosmic "needle in a haystack" - a black hole that not only is classified as dormant but appears to have been born without the explosion of a dying star. Researchers said on Monday this one differs from all other known black holes in that it is "X-ray quiet" - not emitting powerful X-ray radiation indicative of gobbling up nearby material with its strong gravitational pull - and that it was not born in a stellar blast called a supernova. This artist’s impression shows what the binary system VFTS 243 might look like if we were observing it up close. The system, which is located in the Tarantula Nebula in the Large Magellanic Cloud, is composed of a hot, blue star with 25 times the Sun’s mass and a b...

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Baby stars, dancing galaxies: A new range of cosmic views

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July 13, 2022259 Views

A sparkling landscape of baby stars. A foamy blue and orange view of a dying star. Five galaxies in a cosmic dance. The splendors of the universe glowed in a new batch of images released Tuesday from NASA’s powerful new telescope. The unveiling from the James Webb Space Telescope began Monday at the White House with a sneak peek of the first shot — a jumble of distant galaxies that went deeper into the cosmos than humanity has ever seen. Two full-color images from NASA's James Webb Space Telescope, a revolutionary apparatus designed to peer through the cosmos to the dawn of the universe, show composites made from images at Mid-Infrared (L) & Near-Infrared (R) and released July 12, 2022. NASA, ESA, CSA, STScI, Webb ERO Production Team/Handout via REUTERS Then on Tuesday, NASA ...

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James Webb Space Telescope takes us further back deep into time

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July 12, 2022458 Views

US President Biden unveils telescope's first full-color image of distant galaxies Our view of the universe just expanded: The first image from NASA’s new space telescope unveiled Monday is brimming with galaxies and offers the deepest look of the cosmos ever captured. The first image from the $10 billion James Webb Space Telescope is the farthest humanity has ever seen in both time and distance, closer to the dawn of time and the edge of the universe. That image will be followed Tuesday by the release of four more galactic beauty shots from the telescope’s initial outward gazes. The first full-color image from NASA's James Webb Space Telescope, a revolutionary apparatus designed to peer through the cosmos to the dawn of the universe, shows the galaxy cluster SMACS 0723, known as ...

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NASA to showcase Webb space telescope’s first full-color images

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July 11, 2022448 Views

Drawing back the curtain to a photo gallery unlike any other, NASA will soon present the first full-color images from its James Webb Space Telescope, a revolutionary apparatus designed to peer through the cosmos to the dawn of the universe. The highly anticipated unveiling this week of pictures and spectroscopic data from the newly operational observatory follows a six-month process of remotely unfurling various components, aligning its mirrors and calibrating instruments. Arianespace's Ariane 5 rocket, with NASA?s James Webb Space Telescope onboard, is seen at the launch pad at Europe?s Spaceport, the Guiana Space Center in Kourou, French Guiana December 23, 2021. NASA/Bill Ingalls/Handout via REUTERS With Webb now finely tuned and fully focused, astronomers will embark on a com...