But what’s causing it to suddenly become as bright as the North Star? T CrB is what’s called a recurring nova and is actually a white dwarf ... at various times of night.

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The night sky tonight and on any clear night offers an ever-changing display of fascinating objects you can see, from stars and constellations to bright planets, the moon, and sometimes special ...

Astronomers are in a frenzy: by September, the massive explosion of a star will be visible in the night sky, 3,000 light-years ... Its counterpart is a white dwarf, an even more advanced stage ...