NASA Finds First Planet in Another Galaxy

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NASA Finds First Planet in Another Galaxy

2lorax
oct. 27, 2021, 8:49am

So, no.

NASA did not find it. A group of astronomers led by Dr. Roseanne Di Stefano from the Harvard Center for Astrophysics did, using NASA's Chandra Space Telescope.

Less importantly, but still worth pointing out, the actual paper, as well as responsible news sources, are careful to describe it as a "planet candidate". Something occulted the light of an extragalactic X-ray binary. The shape of the light curve means that a planet orbiting the binary is the best explanation, but nobody involved says it's a certainty.

The paper:

https://chandra.harvard.edu/photo/2021/m51/m51_paper.pdf