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Bizarre “rogue planet” found lurking in Earth’s galactic neighborhood

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’It’s more than 12 times the size of the biggest planet in our solar system, Jupiter, has a magnetic field 200 times more powerful, and lives 20 light years outside of our solar system. Yet unlike Jupiter, it has no parent star around which it orbits.

So what is it?

It’s a rogue planet. The newly discovered planet was found drifting alone – no host star in sight – with a glowing aurora that has left scientists with questions.

A study published in the Astrophysical Journal last week evaluated this floating mass in more detail; and although it was discovered in 2016, up until now it was thought to be a brown dwarf,  a failed star dimmer than a red dwarf star but larger than the largest gas giants. . Yet this particular , object turned out ot be younger and less massive than scientists originally thought, which opened the door to the revelation that this cold, wandering sphere may, in fact, be a planet instead.…’

Via Salon.com