One of the Milky Way’s fastest stars is an invader from another galaxy

May 13, 2018

One of the Milky Way’s fastest stars is an invader from another galaxy

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white dwarf star
Description

A unique type of supernova may have caused the trajectory of one of the fastest-moving stars in our galaxy. Astronomy professor Kris Stanek comments on the discovery — based on new data from the European Space Agency's Gaia satellite — via Science Magazine.

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Image Credit: David A. Aguilar/CfA