Related topics: stars · planets

Warm Jupiter exoplanet orbiting distant star detected

Astronomers report the discovery of a new warm Jupiter exoplanet orbiting a distant star in the open cluster Messier 67. The newfound extrasolar world, designated S1429 b, is almost twice as massive as Jupiter. The finding ...

New ultra-short-period exoplanet discovered

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have detected a new ultra-short-period exoplanet. The newly found alien world is nearly two times larger than the Earth and orbits its host star in less ...

Hubble finds water vapor in small exoplanet's atmosphere

Astronomers using the NASA/ESA Hubble Space Telescope observed the smallest exoplanet where water vapor has been detected in its atmosphere. At only approximately twice Earth's diameter, the planet GJ 9827d could be an example ...

Webb finds signs of possible aurorae on isolated brown dwarf

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. ...

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