View Full Version : Bigger Risks from Smaller Asteroids?

2007-Dec-19, 07:50 PM
When astronomers first made the connection between asteroid impacts and extinction events on Earth, it was kind of frightening. There are hundreds of thousands of those things out there zipping around! But dedicated asteroid hunters have located many of the largest planet smashers, and new programs are in the works to find the rest. But [...]

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