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Massive star explosion captured in photo

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A massive star explosion was captured in a photo by NASA.

The photo shows the remnant of a supernova, Cassiopeia A, which is 11,000 light years away from Earth, NASA said.

The photo was captured by NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR), an X-ray telescope.

A supernova is caused when a large star collapses on itself.

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