Simple Description

An explosion of a massive star.

Further Detail

A supernova happens after a massive star has run out of fuel, turned into a red supergiant and then exploded, throwing off the outer layers of dust and gas. The remaining core of the star will either, depending on its size, become a neutron star or a black hole.

Related Words:

• Neutron star
• Black hole
• Red supergiant
• Star

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