What causes a nova explosion?

1 Answer
chandramohanPanakkal
Jan 13, 2016

When a star suddenly flare up for short period it is called NOVA..

Explanation:

Some stars are binaries. they rotate at common center of mass. When one become red giant the size increases and the smaller star attracts matter from red giant..This increases sudden fusion process and stars become very bright for a short period..Such tars are called Nova.In latin nova means New.Ancient people thought that it is a new star.so nova.

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