Star snapped before and after nova explosion

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http://www.bbc.co.uk/news/science-environment-37098317

Astronomers have captured rare images of a tiny star before, during and after it exploded as a "classical nova".

In this type of binary system, a white dwarf sucks gas from a much bigger partner star until it blows up - about every 10,000 to one million years.

Now, a Polish team has caught one in the act using a telescope in Chile.
 
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