अंतरिक्ष विज्ञान – Page 2 – आवारा मुसाफिर

Massive cradle of baby stars revealed

May 26, 2024344 Views

A massive cradle of baby stars has been observed in new detail by a European space telescope, adding to its celestial collection of images. The European Space Agency released the photos from the Euclid observatory on Thursday. They were taken following the telescope’s Florida launch last year as a warm-up act to its main job currently underway: surveying the so-called dark universe. Star forming region Messier 78. Galaxy cluster Abell 2390. From its perch 1 million miles (1.6 million kilometers) from Earth, Euclid will spend the next several years observing billions of galaxies covering more than one-third of the sky. The shape and size of all these galaxies can help scientists understand the mysterious dark energy and dark matter that make up most of the universe. “Euc...

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Blue Origin to resume space tourist flights after near 2-year pause

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May 15, 2024306 Views

Crew members include former Air Force Captain Ed Dwight, the first US Black astronaut candidate Jeff Bezos-backed Blue Origin will resume flights to space on Sunday, ending a near two-year pause of crewed operations following a 2022 mission failure. The NS-25 mission will lift off from Launch Site One in West Texas, with the launch window for the flight starting at 0830 CT (1330 GMT), the company said on Tuesday. The New Shepard rocket, which flies cargo and humans on short trips to the edge of space, has been grounded since a September 2022 uncrewed mission failed roughly a minute after liftoff from Texas, forcing the rocket's capsule full of NASA experiments to safely eject mid-flight. FILE PHOTO: A helicopter flies over a building featuring Blue Origin's logo as rocket New ...

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Most massive stellar black hole in our galaxy found

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April 17, 2024510 Views

Astronomers have identified the most massive stellar black hole yet discovered in the Milky Way galaxy. This black hole was spotted in data from the European Space Agency’s Gaia mission because it imposes an odd ‘wobbling’ motion on the companion star orbiting it. Data from the European Southern Observatory’s Very Large Telescope (ESO’s VLT) and other ground-based observatories were used to verify the mass of the black hole, putting it at an impressive 33 times that of the Sun. Stellar black holes are formed from the collapse of massive stars and the ones previously identified in the Milky Way are on average about 10 times as massive as the Sun. Even the next most massive stellar black hole known in our galaxy, Cygnus X-1, only reaches 21 solar masses, making this new 33-solar-mass obs...

अंतरिक्ष विज्ञान

Beautiful nebula, violent history: clash of stars solves stellar mystery

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April 12, 2024489 Views

When astronomers looked at a stellar pair at the heart of a stunning cloud of gas and dust, they were in for a surprise. Star pairs are typically very similar, like twins, but in HD 148937, one star appears younger and, unlike the other, is magnetic. New data from the European Southern Observatory (ESO) suggest there were originally three stars in the system, until two of them clashed and merged. This violent event created the surrounding cloud and forever altered the system’s fate. This image, taken with the VLT Survey Telescope hosted at ESO’s Paranal Observatory, shows the beautiful nebula NGC 6164/6165, also known as the Dragon’s Egg. The nebula is a cloud of gas and dust surrounding a pair of stars called HD 148937. Credit: ESO/VPHAS+ team. Acknowledgement: CASU “When doing ba...

अंतरिक्ष विज्ञान

First results from DESI make the most precise measurement of our expanding universe

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April 5, 2024303 Views

With 5,000 tiny robots in a mountaintop telescope, researchers can look 11 billion years into the past. The light from far-flung objects in space is just now reaching the Dark Energy Spectroscopic Instrument (DESI), enabling us to map our cosmos as it was in its youth and trace its growth to what we see today. Understanding how our universe has evolved is tied to how it ends, and to one of the biggest mysteries in physics: dark energy, the unknown ingredient causing our universe to expand faster and faster. To study dark energy’s effects over the past 11 billion years, DESI has created the largest 3D map of our cosmos ever constructed, with the most precise measurements to date. This is the first time scientists have measured the expansion history of the young universe with a precision...

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Exploring the fascinating secrets of the distant stars

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March 20, 2024292 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 ...

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Lake County Outback named world’s largest dark sky sanctuary

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March 12, 2024461 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 ...

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Secrets of planet birth around dozens of stars revealed

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March 7, 2024644 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...

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Astronomers reveal a new link between water and planet formation

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March 1, 2024685 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...

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Is this the brightest object in the universe!

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February 20, 2024549 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 ...