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A broiling exoplanet had its air blasted away by its star

6 Nov 2019, 14:00 UTC
A broiling exoplanet had its air blasted away by its star NASA/JPL-Caltech/R. Hurt (IPAC)

The exoplanet LHC 3844b is what we call a super-Earth: With a diameter of roughly 17,000 km it's roughly 30% bigger than our own beloved home world. But habitable it most definitely ain't: Although it orbits a relatively cool red dwarf star, it's so close — just 950,000 km from the star, less than three times the distance of the Moon from Earth! — it gets cooked by the heat.

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