Astronomers have discovered a lone planet, floating in space without a star.
This free-floating planet, dubbed PSO J318.5-22, is just 80 light years away from Earth and has a mass six times that of Jupiter. The planet is only 12 million years old—a newborn in planet lifetimes.
“We have never before seen an object free-floating in space that that looks like this. It has all the characteristics of young planets found around other stars, but it is drifting out there all alone,” …
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