In 1980, Alvarez and colleagues proposed that, in the transition from the Cretaceous to Paleogene, a large impactor collided with Earth being the cause of the mass extinction occurred at […]
asteroid
Posted inComets and Asteroids, Extinction events, Impact events, Press Release
Ocean Asteroid Impact Could Deplete Earth’s Protective Ozone Layer for Years
An asteroid crashing into the deep ocean could have dramatic worldwide environmental effects including depleting the Earth’s protective ozone layer for several years, a Planetary Science Institute researcher has found.