Astronomers found ultra-hot, Earth-sized exoplanet with a lava hemisphere

Ars Technica
By Jennifer OuelletteJan 11, 2024, 4:34 pm131 pts
Enlarge / Like Kepler-10 b, illustrated above, newly discovered exoplanet HD 63433 d is a small, rocky planet in a tight orbit of its star. (credit: NASA/Ames/JPL-Caltech/T. Pyle) Astronomers have discovered an unusual Earth-sized exoplanet they believe has a hemisphere of molten lava, with its other hemisphere…

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