Astronomers have made the rare discovery of a small, cold exoplanet and its massive outer companion—shedding light on the formation of planets like Earth.
Planetary Sciences
Jan 11, 2024
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47
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
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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
A study published today (Dec. 15) in the journal Astronomy & Astrophysics reveals the discovery of two new planetary systems orbiting stars similar to our sun, also known as solar analogs.
Astronomy
Dec 15, 2023
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47
Astronomers from the Harvard–Smithsonian Center for Astrophysics (CfA) and elsewhere, report the discovery of a new 'warm Jupiter' exoplanet orbiting a rapidly rotating F-type star. The newfound alien world, designated ...
The discovery of a planet that is far too massive for its sun is calling into question what was previously understood about the formation of planets and their solar systems, according to Penn State researchers.
Planetary Sciences
Nov 30, 2023
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The James Webb Space Telescope observed the exoplanet WASP-80 b as it passed in front of and behind its host star, revealing spectra indicative of an atmosphere containing methane gas and water vapor. While water vapor has ...
Planetary Sciences
Nov 22, 2023
1
472
A new study could explain the "missing" exoplanets between super-Earths and sub-Neptunes.
Planetary Sciences
Nov 15, 2023
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144
A system of seven sweltering planets has been revealed by continued study of data from NASA's retired Kepler space telescope: Each one is bathed in more radiant heat from their host star per area than any planet in our solar ...
Astronomy
Nov 3, 2023
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254
A team of astronomers and astrophysicists affiliated with several institutions in China, working with one colleague from Centro Ricerche Enrico Fermi, in Italy, and another from the University of Utah, in the U.S., has found ...
