Astronomy • Exploration • Strategy

How to make a super-Earth: The universe’s most common planets are whittled down by stellar radiation

The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing their thick atmospheres.

Astrobitica January 20, 2026 (Last updated: January 20, 2026) 1 minute read

The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing their thick atmospheres.

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