अंतरिक्ष विज्ञान – Page 4 – आवारा मुसाफिर

We have almost 400,000 galaxies in our cosmic neighbourhood

October 20, 2023673 Views

The Siena Galaxy Atlas will be an invaluable tool for research into how galaxies form and evolve, gravitational waves, dark matter, and the structure of our universe Mapping the night sky is essential for understanding our universe. Both researchers and amateur astronomers can now access a new atlas with detailed information on more than 380,000 galaxies: the Siena Galaxy Atlas (SGA). The collection, which provides precise measurements of the locations, shapes, and sizes of large nearby galaxies, promises to be a boon to future astronomical inquiry and is freely accessible online for all to use. The research was published today in the Astrophysical Journal Supplement. The Siena Galaxy Atlas compiles data from three surveys completed between 2014 and 2017 known as the DESI Legacy S...

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What would a spa in a spaceship look like!

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October 16, 2023745 Views

Space Perspective unveils first-ever space spa as part of its spaceship Neptune capsule interior World's First Carbon-Neutral Spaceflight Experience company, offers a safe and gentle journey with no rockets or training required Inside a pressurized capsule for eight explorers, a one-of-a-kind restroom provides a serene and spa-like sanctuary during a transformative six-hour flight Space Perspective, the world's first carbon-neutral spaceflight experience company, today unveiled the custom design for its restroom – a first-ever Space Spa. Space Perspective has completely reimagined human spaceflight with an innovative spacecraft (Spaceship Neptune) that features a pressurized capsule propelled slowly to the edge of space by a giant SpaceBalloon. Spaceship Neptune Tucked in...

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Mysterious Neptune dark spot detected from Earth for the first time

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August 26, 20233036 Views

Using ESO’s Very Large Telescope (VLT), astronomers have observed a large dark spot in Neptune’s atmosphere, with an unexpected smaller bright spot adjacent to it. This is the first time a dark spot on the planet has ever been observed with a telescope on Earth. These occasional features in the blue background of Neptune’s atmosphere are a mystery to astronomers, and the new results provide further clues as to their nature and origin. Large spots are common features in the atmospheres of giant planets, the most famous being Jupiter’s Great Red Spot. On Neptune, a dark spot was first discovered by NASA’s Voyager 2 in 1989, before disappearing a few years later. “Since the first discovery of a dark spot, I’ve always wondered what these short-lived and elusive dark features are,” says Pat...

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New type of star gives clues to mysterious origin of magnetars

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August 19, 20232573 Views

Magnetars are the strongest magnets in the Universe. These super-dense dead stars with ultra-strong magnetic fields can be found all over our galaxy but astronomers don’t know exactly how they form. Now, using multiple telescopes around the world, including European Southern Observatory (ESO) facilities, researchers have uncovered a living star that is likely to become a magnetar. This finding marks the discovery of a new type of astronomical object — massive magnetic helium stars — and sheds light on the origin of magnetars. Despite having been observed for over 100 years, the enigmatic nature of the star HD 45166 could not be easily explained by conventional models, and little was known about it beyond the fact that it is one of a pair of stars, is rich in helium and is a few times m...

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Virgin Galactic’s first space tourists finally soar

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August 12, 2023793 Views

Includes an Olympian who brought ticket 18 years ago, and a mother-daughter duo Virgin Galactic rocketed to the edge of space with its first tourists Thursday, a former British Olympian who bought his ticket 18 years ago and a mother-daughter duo from the Caribbean. The rocket-powered VSS Unity craft dropped from the carrier plane over New Mexico around 9:20 a.m. local time and blasted its four passengers, a company instructor and three tourists, to an altitude of roughly 55 miles (88.51 km). Virgin Galactic's mothership Eve, carrying the rocket-powered plane Unity 22, takes off from Spaceport America, near Truth or Consequences, N.M., Thursday, Aug. 10, 2023. (AP Photo/Andrés Leighton) The space plane glided back to a runway landing at Spaceport America in the New Mexico dese...

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Secrets of planet birth revealed

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July 26, 20231959 Views

A spectacular new image released by the European Southern Observatory gives us clues about how planets as massive as Jupiter could form. Using ESO’s Very Large Telescope (VLT) and the Atacama Large Millimeter/submillimeter Array (ALMA), researchers have detected large dusty clumps, close to a young star, that could collapse to create giant planets. “This discovery is truly captivating as it marks the very first detection of clumps around a young star that have the potential to give rise to giant planets,” says Alice Zurlo, a researcher at the Universidad Diego Portales, Chile, involved in the observations. At the centre of this image is the young star V960 Mon, located over 5000 light-years away in the constellation Monoceros. Dusty material with potential to form planets surrounds ...

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Stunning star nursery is latest JWST image to amaze astronomers

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July 13, 2023822 Views

The stunning picture of the star-forming region closest to Earth is the latest to be released by the James Webb Space Telescope (JWST). NASA unveiled the image to mark one year since the landmark telescope released its first photograph. The first anniversary image from NASA’s James Webb Space Telescope displays star birth like it’s never been seen before, full of detailed, impressionistic texture. It shows an area in the Rho Ophiuchi cloud complex, 120 parsecs (390 light years) away, that contains roughly 50 young stars — most of which have masses similar to, or less than, that of the Sun. It is the closest star-forming region to Earth. The vertical and horizontal red streaks on the upper and right-hand side of the image are molecular hydrogen illuminated by jets of material produce...

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One of the world’s largest telescope is now half completed

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July 11, 20231195 Views

ESO’s ground based ELT is located atop Cerro Armazones in Chile’s Atacama Desert The European Southern Observatory’s Extremely Large Telescope (ESO’s ELT) is a revolutionary ground-based telescope that will have a 39-metre main mirror and will be the largest telescope in the world for visible and infrared light: the world’s biggest eye on the sky. Construction of this technically complex project is advancing at a good pace, with the ELT now surpassing the 50% complete milestone. This image, taken in late June 2023, shows a webcam image of the construction site of ESO’s Extremely Large Telescope at Cerro Armazones, in Chile's Atacama Desert. The starry background is dominated by the core of the Milky Way, our home galaxy, and the Large and Small Magellanic clouds, two dwarf galaxies ...

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Early Universe ran in extreme slow motion!

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July 3, 2023897 Views

Quasar ‘clocks’ show it was five times slower soon after the Big Bang Scientists have for the first time observed the early universe running in extreme slow motion, unlocking one of the mysteries of Einstein’s expanding universe. Einstein’s general theory of relativity means that we should observe the distant – and hence ancient – universe running much slower than the present day. However, peering back that far in time has proven elusive. Scientists have now cracked that mystery by using quasars as ‘clocks'. “Looking back to a time when the universe was just over a billion years old, we see time appearing to flow five times slower,” said lead author of the study, Professor Geraint Lewis from the School of Physics and Sydney Institute for Astronomy at the University of Sydney. ...

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With neutrinos, scientists observe our galaxy in a whole new way

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June 30, 2023855 Views

Human beings for millennia have gazed with awe at the vast torrent of stars - bright and dim - shining in Earth's night sky that comprise the Milky Way. Our home galaxy, however, is now being observed for the first time in a brand new way. Scientists said on Thursday they have produced an image of the Milky Way not based on electromagnetic radiation - light - but on ghostly subatomic particles called neutrinos. They detected high-energy neutrinos in pristine ice deep below Antarctica's surface, then traced their source back to locations in the Milky Way - the first time these particles have been observed arising from our galaxy. An artist's composition of the Milky Way seen with a neutrino lens (blue) is shown in this undated handout image. Collaboration/U.S. National Science Founda...