Infrared astronomy has been very effective at discovering star clusters.

Check out more hashtags that other people found fun like Vacation, Jimmy Kimmel Live! or Champagne. Find out the age, birthday, star sign, height, relationships and career highlights of your favorite celebrities. Whether you’re interested in facts about TV, Entertainment or Social Media or you just want to see articles and fun facts from Rising Stars like Fredo Bang, we got you covered! Scroll through thousands of fun facts on profiles of the likes of Bethenny Frankel, Chelsea Handler or Shaun Ryder or find them in categories like Dance and Music.