Tiniest stars not much larger than Jupiter

Yes, Jupiter is a standard unit of mass!

A dim sun seem from a cold world

Astronomers believe they've spotted the tiniest stars: brown dwarfs only a few times the size of Jupiter, lurking dimly in the darkest depths of space.

"For the first time, you can actually look for objects down to at least a couple of Jupiter masses," says Ray Jayawardhana, an astrophysicist at Johns Hopkins University a…