28 April 2009

Dinosaurs Wiped Out by Asteroid? Maybe Not 28APR09

New Blow for Dinosaur-Killing Asteroid Theory
This artist's rendering shows the Chicxulub crater at the time of the meteorite's impact. Credit: NASA (PhysOrg.com) -- The enduringly popular theory that ...

Were the Dinosaurs Really Wiped Out by an Asteroid? Possibly Not (Update)
Universe Today - Apr 27
In 1979, the huge Chicxulub crater, measuring about 180 km (112 miles) in diameter, was discovered on the northern Yucatan Peninsula, Mexico. Scientists made the obvious conclusion that something rather large had hit the Earth in this location, probably causing all kinds of global devastation 65 million years ago. At around the same time, 65% ...

No comments: