Astronomers using NASA's James Webb Space Telescope have found a brown dwarf (an object more massive than Jupiter but smaller than a star) with infrared emission from methane, likely due to energy in its upper atmosphere. ...
Astronomy
Jan 10, 2024
0
212
WASP-69b is having a hot girl summer that never ends. The huge gaseous exoplanet, roughly the size of Jupiter and approximately 160 light years from Earth, orbits its searing host star so closely that its atmosphere is boiling ...
Astronomy
Jan 9, 2024
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85
Using the James Webb Space Telescope (JWST), astronomers have investigated a nearby sub-Earth exoplanet known as Gliese 367 b. The obtained results indicate that this alien world is dark, hot and lacks a detectable atmosphere. ...
Atmospheric ammonia (NH3) is a trace gas that causes environmental problems and harms human health. Chinese scientists have established a full-physical retrieval algorithm to derive the concentration of the atmospheric ammonia ...
Earth Sciences
Jan 8, 2024
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29
Red dwarf exoplanet habitability is a hot topic in space science. These small dim stars host lots of exoplanets, including small rocky ones the size of Earth. But the little stars emit extremely powerful flares that can damage ...
Planetary Sciences
Jan 8, 2024
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52
As noted at NASA's 2019 Carlsbad Conference, we have good reason to think that life could have started on Mars using the same geo-organic chemistry that started life on Earth. If Martian life persists today on Mars, it may ...
Astrobiology
Jan 5, 2024
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23
A team of engineers and atmospheric scientists at Harvard University, working with a colleague from the California Institute of Technology's Jet Propulsion Laboratory, has calculated the increased amount of methane being ...
Titan's "magic islands" are likely floating chunks of porous, frozen organic solids, a new study finds, pivoting from previous work suggesting they were gas bubbles. The study was published in Geophysical Research Letters.
Planetary Sciences
Jan 5, 2024
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1074
By combining several years of observations from NASA's Hubble Space Telescope along with conducting computer modeling, astronomers have found evidence for massive cyclones and other dynamic weather activity swirling on a ...
Astronomy
Jan 4, 2024
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307
The sun emitted a strong solar flare, peaking at 4:55 p.m. EST, on Dec. 31, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.
Astronomy
Jan 3, 2024
0
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