BBC Sky at Night Magazine

BRIGHTEST NOVA APPEARS

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The most luminous nova ever spotted has been observed in the Small Magellanic Cloud. The Swift space observator­y discovered it on 14 October 2016 but have only recently announced the find.

A nova occurs when an elderly white dwarf star steals material from a Sun-like companion star until it reaches a critical mass and bursts back into life. The white dwarf involved in this instance was close to its theoretica­l maximum mass, which may be why the resulting nova was so bright.

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