Exoplanet HD 21749 b

by: Ron Miller/Novapix
Reference: a-exo99-30700
Date: 2021-04-01

HD 21749 b is an exoplanet orbiting the star HD 21749, located about 53 light-years away from Solar System. HD 21749b is about 2.8 times Earth’s size, which puts it in the category of a sub-Neptune.

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