The sun emitted a strong solar flare, peaking at 10:48 a.m. EDT on Feb. 11, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.
Astronomy
Feb 14, 2023
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51
Chemically, carbon dioxide is incredibly simple—it is just one carbon atom linked with two oxygen atoms. Together they create a colorless gas that makes up just a tiny fraction of the Earth's atmosphere, about 0.04%.
Earth Sciences
Feb 6, 2023
48
17
A study of the upper atmosphere's composition has successfully measured an increased presence of 18O, a heavier oxygen isotope with 10 instead of eight neutrons. Helmut Wiesemeyer (MPIfR Bonn) and his colleagues have measured ...
Earth Sciences
Feb 2, 2023
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25
In addition to oxygen, nitrogen or carbon dioxide, the air we breathe contains small amounts of organic gases, such as benzene and toluene. These oxidize into small particles or aerosols that contribute to the condensation ...
Earth Sciences
Jan 31, 2023
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50
The convergence of two spacecraft at Venus in August 2021 has given a unique insight into how the planet is able to retain its thick atmosphere without the protection of a global magnetic field.
Space Exploration
Jan 26, 2023
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140
Magnetic reconnection is a universal process that changes magnetic topology and converts magnetic energy to plasma kinetic energy. Spatially resolved spectroscopic observations covering extended regions in the solar atmosphere ...
Astronomy
Jan 18, 2023
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41
Researchers have confirmed the presence of an exoplanet, a planet that orbits another star, using the NASA/ESA/CSA James Webb Space Telescope for the first time. Formally classified as LHS 475 b, the planet is almost exactly ...
Astronomy
Jan 11, 2023
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1808
The sun emitted a strong solar flare, peaking at 1:50 p.m. EST on Jan. 9, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured imagery of the event.
Astronomy
Jan 10, 2023
0
32
Our understanding of habitability relies entirely on the availability of liquid water. All life on Earth needs it, and there's every indication that life elsewhere needs it, too.
Astrobiology
Dec 15, 2022
0
13
Can we build an enormous umbrella to dim the sun? Such a feat would be a megaproject on a scale like no other. It would take at least 400 dedicated rocket launches a year, for ten years (There have been 172 rocket launches ...
Planetary Sciences
Dec 12, 2022
6
12
