ESA, NASA release incredible image of super star

The European Space Agency and NASA provided an incredible Hubble Telescope image of a young super star cluster known as "Westerlund 1."

It's only 15,000 light years away in our Milky Way neighborhood.
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The star cluster is called "super" for the fact that it has more mass and is more luminous than other young star clusters.

This so-called monster star has a radius over 1,500 times that of our sun.
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