Astronomers discover Earth-sized exoplanet with very short orbital period

Wednesday, July 19, 2017 - 08:02 in Astronomy & Space

(Phys.org)—An international team of astronomers has detected a new Earth-sized exoplanet in an ultra-short period around its parent star. The alien world, designated EPIC 228813918 b, circles its host every four hours and 20 minutes, which makes it the second-shortest orbital period of a planet known to date. The finding was presented in a paper published July 14 on arXiv.org.

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