A Supernova ‘Destroyed’ Some of Earth’s Ozone for a Few Minutes in 2022A Supernova ‘Destroyed’ Some of Earth’s Ozone for a Few Minutes in 2022
On Oct. 9, 2022, telescopes in space picked up a jet of high energy photons careening through the cosmos toward Earth, evidence of a supernova exploding 1.9 billion light-years away.