• Moiya McTier

Astronomy Fun Fact #17

I talk a lot about how boring our Sun is, but is special in one way: it's alone. Astronomers estimate that as many as 80% of stars exist in multiple systems, meaning they're gravitationally bound to at least one other star. The most common of these multiple star systems are called binaries, because they have two stars.

0 views
  • Instagram Social Icon
  • LinkedIn Social Icon