The bats will be the death of us
The Torino scale is one method of measuring our impending doom. It rates the likelihood of a “near earth object” (read: big rock) whacking into the Earth, and contains handy recommendations like “If the encounter is less than three decades away, governmental contingency planning may be warranted.” SCQ thoughtfully provides us with an abridged version. If you have a sudden upwelling of fear after reading it, check NASA’s listing of recently observed objects.
