Exoplanets similar to Neptune have cloudy atmospheres and high metalicity

11. 10. 2023 (accepted)

A new analysis of exo-Neptune transmission spectra reveals that these planets have very cloudy atmospheres and high metallicity. Colder exo-Neptunes may have clearer atmospheres, making them better targets for future studies and the search for life beyond Earth

Scientific study

Clouds and Clarity: Revisiting Atmospheric Feature Trends in Neptune-size Exoplanets external link

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Relevant stars in the catalog

Gliese 436	0.41 M☉	31.9 ly
Gliese 1214	0.18 M☉	47.8 ly
TOI-270	0.4 M☉	73.3 ly
Gliese 3470	0.51 M☉	96 ly
K2-135	0.59 M☉	96.8 ly
HAT-P-11	0.8 M☉	124 ly
K2-18	0.41 M☉	124 ly
TOI-674	0.44 M☉	150 ly
HD 3167	0.85 M☉	154 ly
HIP 41378	1.2 M☉	346 ly
HD 106315	1.1 M☉	356 ly
HAT-P-26	0.82 M☉	466 ly
Kepler-51	0.99 M☉	2615 ly

Exoplanets similar to Neptune have cloudy atmospheres and high metalicity

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