First Planet Found Outside of Our Milky Way Galaxy

Astronomers have announced evidence for a possible planet in another galaxy. This “exoplanet” would be much farther away than any of the thousands of others scientists have found in our Milky Way Galaxy. This planet candidate was identified with NASA’s Chandra X-ray Observatory that detected a temporary dimming in X-rays in a binary system. Researchers interpret this dimming as a planet passing in front of an X-ray source around a neutron star or black hole orbiting a companion star.

First Evidence for a Possible Planet Outside of the Milky Way Galaxy

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