Gregg Hallinan

Astronomers have discovered the first aurora outside our solar system, around a brown dwarf about 18 light years away from Earth, which is up to 10,000 times more powerful than any previously seen.

Astronomers have discovered the first aurora outside our solar system, around a brown dwarf about 18 light years away from Earth, which is up to 10,000 times more powerful than any previously seen.