In 2009, a super dense dead star exploded in a brilliant flash of light — and astronomers were able to watch the entire thing from Earth. The dead star was a white dwarf, the leftover remnant of a star that has used up all its fuel and collapsed. The explosion was a classical nova, a rarely seen type of star explosion that occurs only in white dwarfs. The astronomers were able to watch this star before and after it exploded, providing the first ever visual confirmation of what triggers this strange star eruption.
Astronomers see the before and after of an exploding white dwarf star
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Bagikan Berita Ini
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