We "know" a lot of things exist without ever actually seeing them: the Earth's core, dark matter, a fitted sheet that's been properly folded. Of course, hard evidence is always best, so when we find it, it's extremely exciting. We've always "known" that there are planets outside of our own galaxy, but we've never actually discovered them. Until now: on Feb. 2, 2018, astrophysicists announced the first discovery of planets outside the Milky Way. This. Is. Big.
Come Out, Come Out, Wherever You Are
How We Found Them
7 of the Weirdest Exoplanets In the Universe
Written by Ashley Hamer February 5, 2018
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