Scientists discover Mars-sized rogue planet wandering the galaxy

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It’s possible our galaxy is filled to the brim with these rogue planets, but this one is particularly unusual for one special reason: it is the smallest found to date — even smaller than Earth — with a mass similar to Mars. 

https://www.cbsnews.com/news/rogue-planet-exoplanet-floating-through-space-discovery-milky-way/

And the video at the top of the page linked above has NOTHING to do with rogue planets.

Sigh.