अंतरिक्ष विज्ञान – Page 3 – आवारा मुसाफिर

Exploring the fascinating secrets of the distant stars

March 20, 2024370 Views

Anantara Kihavah Maldives Villa helps in harnessing local knowledge with SKY Gurus We have all, at one time or another, gazed up into the night sky and contemplated the mysteries of the universe, but if ever you were planning to learn more about the stars and the secrets they hold, you would be hard-pushed to find a more ideal location than SKY at Anantara Kihavah Maldives Villas. Located in Baa Atoll, a UNESCO Biosphere Reserve, Anantara Kihavah is not only a tropical island paradise but also a stargazer’s dream location. The private island’s remoteness means that it is free from light pollution, while its proximity to the equator affords spectacular views of both the southern and northern sky. At SKY, Anantara Kihavah’s overwater observatory combined with a luxury cocktail ...

अंतरिक्ष विज्ञानअमेरिकाखबरनामाघटनाएं

Lake County Outback named world’s largest dark sky sanctuary

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March 12, 2024599 Views

DarkSky International certifies 2.5 million acres for protection against light pollution A 2.5-million-acre area of southeastern Oregon was certified as an International Dark Sky Sanctuary today by DarkSky International, making it the world's largest Dark Sky Sanctuary to date. The Sanctuary, which is approximately one-half the size of New Jersey and is located within an area commonly referred to as the Oregon Outback, has committed to protect its starry night skies for the benefit of visitors, residents, and wildlife. A Dark Sky Sanctuary is a certification given by the DarkSky International to public or private land that has an exceptional or distinguished quality of starry nights and a nocturnal environment that is protected for its scientific, natural, or educational value, its ...

अंतरिक्ष विज्ञान

Secrets of planet birth around dozens of stars revealed

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March 7, 2024710 Views

In a series of studies, a team of astronomers has shed new light on the fascinating and complex process of planet formation. The stunning images, captured using the European Southern Observatory's Very Large Telescope (ESO’s VLT) in Chile, represent one of the largest ever surveys of planet-forming discs. The research brings together observations of more than 80 young stars that might have planets forming around them, providing astronomers with a wealth of data and unique insights into how planets arise in different regions of our galaxy. “This is really a shift in our field of study,” says Christian Ginski, a lecturer at the University of Galway, Ireland, and lead author of one of three new papers published today in Astronomy & Astrophysics. “We’ve gone from the intense study of i...

अंतरिक्ष विज्ञान

Astronomers reveal a new link between water and planet formation

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March 1, 2024784 Views

Researchers have found water vapour in the disc around a young star exactly where planets may be forming. Water is a key ingredient for life on Earth, and is also thought to play a significant role in planet formation. Yet, until now, we had never been able to map how water is distributed in a stable, cool disc — the type of disc that offers the most favourable conditions for planets to form around stars. The new findings were made possible thanks to the Atacama Large Millimeter/submillimeter Array (ALMA), in which the European Southern Observatory (ESO) is a partner. “I had never imagined that we could capture an image of oceans of water vapour in the same region where a planet is likely forming,” says Stefano Facchini, an astronomer at the University of Milan, Italy, who led the stud...

अंतरिक्ष विज्ञान

Is this the brightest object in the universe!

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February 20, 2024613 Views

Astronomers have discovered what may be the brightest object in the universe, a quasar with a black hole at its heart growing so fast that it swallows the equivalent of a sun a day. Using the European Southern Observatory’s (ESO) Very Large Telescope (VLT), astronomers have characterised a bright quasar, finding it to be not only the brightest of its kind, but also the most luminous object ever observed. Quasars are the bright cores of distant galaxies and they are powered by supermassive black holes. The black hole in this record-breaking quasar is growing in mass by the equivalent of one Sun per day, making it the fastest-growing black hole to date. The record-breaking quasar shines 500 trillion times brighter than our sun. The black hole powering this distant quasar is more than ...

अंतरिक्ष विज्ञान

Staggering structure in 19 nearby spiral galaxies captured

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January 30, 2024432 Views

NASA’s Webb Telescope depicts a new treasure trove of images with clearly defined arms It’s oh-so-easy to be absolutely mesmerized by these spiral galaxies. Follow their clearly defined arms, which are brimming with stars, to their centers, where there may be old star clusters and – sometimes – active supermassive black holes. Only NASA’s James Webb Space Telescope can deliver highly detailed scenes of nearby galaxies in a combination of near- and mid-infrared light – and a set of these images was publicly released today. These Webb images are part of a large, long-standing project, the Physics at High Angular resolution in Nearby GalaxieS (PHANGS) program, which is supported by more than 150 astronomers worldwide. Before Webb took these images, PHANGS was already brimming with data...

अंतरिक्ष विज्ञान

Missing link found: supernovae give rise to black holes or neutron stars

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January 11, 2024513 Views

Astronomers have found a direct link between the explosive deaths of massive stars and the formation of the most compact and enigmatic objects in the Universe — black holes and neutron stars. With the help of the European Southern Observatory’s Very Large Telescope (ESO’s VLT) and ESO’s New Technology Telescope (NTT), two teams were able to observe the aftermath of a supernova explosion in a nearby galaxy, finding evidence for the mysterious compact object it left behind. When massive stars reach the end of their lives, they collapse under their own gravity so rapidly that a violent explosion known as a supernova ensues. Astronomers believe that, after all the excitement of the explosion, what is left is the ultra-dense core, or compact remnant, of the star. Depending on how massive th...

अंतरिक्ष विज्ञान

New 1.5-billion-pixel image of Running Chicken Nebula

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December 22, 2023680 Views

ESO’s VST captures the stellar nursery in an unprecedented detail While many holiday traditions involve feasts of turkey, soba noodles, latkes or Pan de Pascua, this year, the European Southern Observatory (ESO) is bringing you a holiday chicken. The so-called Running Chicken Nebula, home to young stars in the making, is revealed in spectacular detail in this 1.5-billion-pixel image captured by the VLT Survey Telescope (VST), hosted at ESO’s Paranal site in Chile. This vast stellar nursery is located in the constellation Centaurus (the Centaur), at about 6500 light-years from Earth. Young stars within this nebula emit intense radiation that makes the surrounding hydrogen gas glow in shades of pink. The Running Chicken Nebula comprises several clouds, all of which we can see in th...

अंतरिक्ष विज्ञान

ESO’s biggest eye on the sky getting ready

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December 18, 2023777 Views

First segments of the world's largest telescope mirror shipped to Chile The construction of the European Southern Observatory’s Extremely Large Telescope (ESO's ELT) has reached an important milestone with the delivery to ESO and shipment to Chile of the first 18 segments of the telescope’s main mirror (M1). Once they arrive in Chile, the segments will be transported to the ELT Technical Facility, at ESO’s Paranal Observatory in the country’s Atacama Desert, where they will be coated in preparation for their future installation on the telescope main structure. Unable to be physically made in one piece, M1 will consist of 798 individual segments arranged in a large hexagonal pattern, with an additional 133 being produced to facilitate the recoating of segments. Primary mirror, M1, se...

अंतरिक्ष विज्ञान

Astronomers discover disc around star in another galaxy for the first time

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November 29, 2023728 Views

Our sun and other stars form when a dense clump of interstellar gas and dust collapses under its own gravitational pull. Once a star is born at the center of such a cloud, leftover material forms a swirling disk around it that feeds stellar growth and often gives rise to planets. Newborn stars with these circumstellar disks had been observed by astronomers only in our Milky Way galaxy - until now. Researchers said on Wednesday they have spotted such a disk around a star larger and more luminous than the sun residing in one of our nearest neighboring galaxies, the Large Magellanic Cloud. In a remarkable discovery, astronomers have found a disc around a young star in the Large Magellanic Cloud, a galaxy neighbouring ours. It’s the first time such a disc, identical to those forming pla...