Searching for planets that formed a long time ago in a galaxy not so far away - Astrobites

So far, astronomers have no confirmed detections of planets outside our Galaxy. Today's paper searches for planets of extragalactic origin, from a dwarf galaxy that has since merged into the Milky Way halo.

Title: Constraining the Planet Occurrence Rate around Halo Stars of Potentially Extragalactic Origin Authors: Stephanie Yoshida, Samuel Grunblatt, Adrian Price-Whelan First Authors Institution: Dep… [+4896 chars]

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