APR 24, 2015 4:19 AM PDT

Hubble's Official 25th Anniversary Image

WRITTEN BY: Andrew J. Dunlop
Westerlund 2 - a star cluster named for Swedish astronomer Bengt Westerlund who discovered the grouping in the 1960s

The sparkling centerpiece of Hubble's anniversary fireworks is a giant cluster of about 3,000 stars called Westerlund 2, named for Swedish astronomer Bengt Westerlund who discovered the grouping in the 1960s. The cluster resides in a raucous stellar breeding ground known as Gum 29, located 20,000 light-years away from Earth in the constellation Carina.
About the Author
Andrew J. Dunlop lives and writes in a little town near Boston. He's interested in space, the Earth, and the way that humans and other species live on it.
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