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The survivors of a 13 billion year old massacre

The survivors of a 13 billion year old massacre | Science News | Scoop.it
(PhysOrg.com) -- Our Milky Way galaxy is surrounded by some 200 compact groups of stars, containing up to a million stars each.
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Antique Stars Could Help Solve Mysteries Of Early Milky Way

Antique Stars Could Help Solve Mysteries Of Early Milky Way | Science News | Scoop.it
The Milky Way is like NGC 4594 (pictured), a disc shaped spiral galaxy with around 200 billion stars. Above and below the galactic plane there is a halo, which includes older stars dating back to the galaxy’s childhood billions of years ago.

Via José Gonçalves
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