Maybe astroid impacts are the least of our worries.
Solar storms don't seem to get the attention they deserve:
www.nasa.gov...
www.nasa.gov...
www.nasa.gov...
Nor do Galactic Core Explosions:
www.etheric.com...
www.spacedaily.com...
The following articles indicates that a nearby supernova could cause mass extinction on Earth:
history.nasa.gov...
Events such as these could explain major mass extinctions in the history of our planet (the ones that cannot be attributed to astroids). Two major one
include the ones during the Ordovician Period and the Permian Period; roughly 500 million and 300 million years ago.
We could have a serious Nemesis on our hands.
What is everyone's take on this?