Could a supernova destroy a planet?

A supernova would annihilate anything within its blast zone. A that includes really big planets. Bigger than Jupiter. A supernova is an almighty explosion that generates so much heat and light that it is visible from other galaxies. Do not stand anywhere close to the solar system that has a supernova. read more

Theoretically, though, if a star were to go supernova one light year away from Earth it would rip our planet and the entire solar system to shreds. The force of the shockwaves would easily destroy every nearby celestial object, and leave our solar system as a nebula remnant that would eventually lead to the formation of new stars and planets. read more

It's even possible the two mechanisms are working together, Sigurdsson added, with the scattering effect putting planets in wider orbits and the supernova then ejecting them from the system. read more