Gliese 667 Cb

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Gliese 667 Cb is an exoplanet orbiting the star Gliese 667 C, a member of the Gliese 667 triple-star system. It is the most massive planet discovered in the system and is likely a super-Earth or a mini-Neptune. Orbital-stability analysis indicates that it cannot be more than twice its minimum mass.

Excerpt from the Wikipedia article “Gliese 667 Cb”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: ESO/L. Calçada, CC BY 4.0, via Wikimedia Commons.