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A white dwarf star collecting hydrogen from a neighboring star

A nova (plural:novae) is a nuclear explosion that occurs when gravity from a white dwarf star collects hydrogen from a neighboring star.[1] This process starts nuclear fusion on the white dwarf, and a nuclear explosion results.

References[change | change source]

  1. Rees, Martin (2008). Universe : The Definitive Visual Guide. New York: DK publishing. p. 278. ISBN 978-0-7566-3670-8 .