Annnnd with link cards fixed on Bluesky... here is a movie of a (mainly imagined) new world! LP 791-18d is known to be Earth-sized, in tidal lock and tidally heated. Whether this could power volcanism across the planet to support water on the night side is an unknown... but cool to imagine!

LP 791-18d: A tidally locked, volcanic world

Artistic render of how the surface of the exoplanet, LP 791-18d might appear. LP 791-18d is an Earth-sized planet that was discovered in May 2023 (see press ...