Warm Neptune exoplanet atmosphere inflates to resemble a balloon

An international team of astronomers has discovered that helium atoms are causing the atmosphere of a “warm-Neptune” exoplanet to expand like a party balloon before escaping into the cold expanse of space. The discovery could help scientists understand the extreme processes taking place in the atmospheres of the hottest exoplanets discovered to date…
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Category: Space

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Exoplanet

Helium

Neptune

University of Exeter

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