Ever since its launch in 1990, NASA's Hubble Space Telescope has been an interplanetary weather observer, keeping an eye on the largely gaseous outer planets and their ever-changing atmospheres. NASA spacecraft missions to ...
Astronomy
Mar 23, 2023
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35
While the Earth absorbs a lot of energy from the sun, a lot of it is reflected back into space. The sunlight reflected from Earth is called Earthshine. We can see it on the dark portion of the moon during a crescent moon. ...
Astrobiology
Jan 19, 2023
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23
Future historians might look back on this time and call it the "exoplanet age." We've found over 5,000 exoplanets, and we'll keep finding more. Next, we'll move beyond just finding them, and we'll turn our efforts to finding ...
Planetary Sciences
Jan 18, 2023
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47
Planetary nebulae form when red giant stars expel their outermost layers as they run out of helium fuel—becoming hot, dense white dwarf stars that are roughly the size of Earth. The material that was shed, enriched in carbon, ...
Astronomy
Jan 12, 2023
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63
Red giants are dying stars, in advanced stages of stellar evolution, which have depleted the hydrogen in their cores. In a study published today in Nature Communications, a team of astronomers mainly from Instituto de Astrofísica ...
Astronomy
Dec 16, 2022
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532
The study of extrasolar planets has led to some astounding discoveries, many of which have defied the expectations of astronomers and challenged our notions about the forms planetary systems can take. For example, the discovery ...
Astronomy
Nov 7, 2022
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95
The James Webb Space Telescope (JWST), launched on Christmas Day 2021, is already transforming our understanding of planets in our solar system and far beyond. A versatile satellite observatory, JWST has a clear-eyed view ...
Astronomy
Nov 7, 2022
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43
In a recent study accepted to The Astrophysical Journal Letters, a team of researchers at the University of Nevada, Las Vegas (UNLV) investigated the potential for life on exoplanets orbiting M-dwarf stars, also known as ...
Astrobiology
Oct 31, 2022
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14
An international team, including astrophysicists from the University of Exeter, is taking lessons and techniques learned from Earth climate science to pave the way to robustly model atmospheres of planets orbiting distant ...
Planetary Sciences
Sep 16, 2022
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102
Nothing lasts forever, including the stars in our night sky. One of the brighter and more notable stars in our sky is Betelgeuse, the bright red supergiant in the shoulder of Orion.
Astronomy
Aug 16, 2022
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