Could a Supernova Threaten Earth’s Survival? Here's What You Need to Know

https://ift.tt/UDfKwbB Supernova explosions have the potential to harm Earth’s atmosphere, particularly the ozone layer. However, no stars close enough to cause damage are currently identified. The risks are low, but gamma-ray bursts, caused by neutron star mergers, may pose an even greater threat in the future.