Meteor bombardment changed climate in the past
JAN 02, 2009
DOI: 10.1063/PT.5.022961
New York Times : At least once in Earth’s history, global warming ended quickly, and scientists have long wondered why.
Now researchers are reporting that the abrupt cooling âmdash; which took place about 12,900 years ago, just as the planet was emerging from an ice age âmdash; may have been caused by one or more meteors that slammed into North America.
© 2009 American Institute of Physics
