Question

What percentage of supernovas destroy other stars in a multiple star system?

Answer 1

A supernova is a star explosion – destructive on a scale almost beyond human imagining. If our sun exploded as a supernova, the resulting shock wave probably wouldn't destroy the whole Earth, but the side of Earth facing the sun would boil away. ... But other stars, beyond our solar system, will.

Answer 2

Answer:

Supernovas are rare; less than 1 percent of all stars are big enough for such a fiery death. (Our relatively small sun will fade away gracefully as a white dwarf.) In a galaxy the size of our Milky Way, though, astronomers estimate roughly one or two supernovas should still light up per century.