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Life on Venus? First we need to know more about molecules in the atmosphere

Credit: UNSW Sydney
The search for life on other planets has received a major boost after scientists revealed the spectral signatures of almost 1000 atmospheric molecules that may be involved in the production or consumption of phosphine, a study led by UNSW Sydney revealed.
Scientists have long conjectured that phosphine - a chemical compound made of one phosphorous atom surrounded by three hydrogen atoms (PH3) - may indicate evidence of life if found in the atmospheres of small rocky planets like our own, where it is produced by the biological activity of bacteria.
So when an international team of scientists last year claimed to have detected phosphine in the atmosphere of Venus, it raised the tantalising prospect of the first evidence of life on another planet - albeit the primitive, single-celled variety. ....

New South Wales , Chenoa Tremblay , Brendan Burns , Space Sciences , School Of Chemistry Dr Laura Mckemmish , Associate Professor Brendan , Solar System , James Web Space Telescope , Herschel Space , Square Kilometre Array , Western Australia , Atmospheric Science , Atmospheric Chemistry , Chemistry Physics Materials Sciences , Space Planetary Science , Planets Moons , புதியது தெற்கு வேல்ஸ் , செனோவா நடுக்கம் , பிரெண்டன் தீக்காயங்கள் , இடம் அறிவியல் , சூரிய அமைப்பு , ஜேம்ஸ் வலை இடம் தொலைநோக்கி , ஹெர்ஷல் இடம் , சதுரம் கிலோமீடர் வரிசை , மேற்கு ஆஸ்திரேலியா , வளிமண்டலம் அறிவியல் ,

A watercolour sky

A watercolour sky
The Atacama Desert in Chile is one of the darkest and most peaceful astronomical sites on Earth and has, as a result, proven to be the perfect location for ESO’s various observatories and powerful instruments.
This view shows ESO’s Paranal Observatory, home to the behemoth Very Large Telescope (VLT). The constituent telescopes of the VLT can be seen standing sentinel beneath a star-studded sky featuring the glittering arch of our Galaxy, and the glowing Magellanic Clouds (left). As this image demonstrates, the sky over Paranal isn’t completely dark; after sunset, the beauty of the Universe is overshadowed by that of Earth’s own atmosphere, which glows in multiple hues and paints the sky like a watercolour. The playful brushstrokes of the faraway emission nebulae that adorn the Milky Way and the constellation of Orion (The Hunter) in the upper centre of the frame, are joined by the soft swaths of green, yellow, red, and orange lying close to th ....

Milky Way , Magallanesy Antaica Chilena , Atacama Desert , Very Large Telescope , Magellanic Clouds , Eso Org , La Silla , பால் வழி , மிகவும் பெரியது தொலைநோக்கி , எஸொ ஒர்க் , லா சில்லா ,

Indigenous Astronomy with Kirsten Banks - Overnights

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Not only are Australia s First Nations peoples the world’s oldest continuing culture - they’re the world s oldest astronomers as well. Rod Quinn is joined by Kirsten Banks, a Wiradjuri Astrophysicist and science communicator who is currently undertaking a PhD at UNSW, to discuss Indigenous Astronomy for On Country.
Duration: 23min 10sec ....

First Nations , Rod Quinn , Kirsten Banks , Wiradjuri Astrophysicist , Indigenous Astronomy , முதல் நாடுகள் , தடி க்வின் , கர்ஸ்டந் வங்கிகள் , உள்நாட்டு வானியல் ,

Evidence for PeVatrons, the Milky Way's most powerful particle accelerators

The Tibet ASγ experiment, a China-Japan joint research project on cosmic-ray observation, has discovered ultra-high-energy diffuse gamma rays from the Milky Way galaxy. The highest energy detected is estimated to be unprecedentedly high, nearly 1 Peta electronvolts. These gamma rays are spread out across the Milky Way. Scientists believe they are produced by the nuclear interaction between cosmic rays escaping from the most powerful galactic sources ( PeVatrons ) and interstellar gas in the Milky Way galaxy. ....

Milky Way , Crab Nebula , Space Planetary Science , பால் வழி , நண்டு நெபுலா , இடம் கிரகங்கள் அறிவியல் ,

NASA OSIRIS-REx's final asteroid observation run

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IMAGE: This artist s concept shows the planned flight path of NASA s OSIRIS-REx spacecraft during its final flyby of asteroid Bennu, which is scheduled for April 7.
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Credit: Credits: NASA/Goddard/University of Arizona
NASA s OSIRIS-REx mission is on the brink of discovering the extent of the mess it made on asteroid Bennu s surface during last fall s sample collection event. On Apr. 7, the OSIRIS-REx spacecraft will get one last close encounter with Bennu as it performs a final flyover to capture images of the asteroid s surface. While performing the flyover, the spacecraft will observe Bennu from a distance of about 2.3 miles (3.7 km) - the closest it s been since the Touch-and-Go Sample Collection event on Oct. 20, 2020. ....

United States , Goddard Space Flight Center , Dante Lauretta , Brittany Enos , Frontiers Program , Science Mission Directorate , Kinetx Aerospace , University Of Arizona , Marshall Space Flight Center , Johnson Space Center , Touch And Go Sample Collection , Detailed Survey , Thermal Emission Spectrometer , Infrared Spectrometer , Laser Altimeter , Return Cruise , Sample Return Capsule , Utah Test , Training Range , Space Flight Center , Martin Space , Space Planetary Science , Comets Asteroids , ஒன்றுபட்டது மாநிலங்களில் , கோடார்ட் இடம் விமானம் மையம் , தாந்தே லாரெட்டா ,