Around 2 million years ago,astronomers believe,Earth's ozone layer may have been significantly damaged,leading to radiation damage to life on Earth.What is believed to be the cause of the damage?

Question

Quizplus · Accepted Answer

An OB association, a group of young, massive stars, may have been close enough to Earth that a supernova occurred within the association. This supernova would have released intense radiation that could have significantly damaged Earth's ozone layer. This theory is supported by evidence of radioactive isotopes found in deep-sea sediments that are consistent with a supernova explosion around the same time.

Around 2 Million Years Ago,astronomers Believe,Earth's Ozone Layer May Have