Desastrous Astroid Impact -- One-in-10 Change Per Century

Global warming is considered as a severe threat to the world, but the risk of a catastrophe caused by the impact of an astroid might be much bigger.

clipped from www.theatlantic.com The odds that a potentially devastating space rock will hit Earth this century may be as high as one in 10. So why isn’t NASA trying harder to prevent catastrophe? The Sky Is Falling clipped from www.theatlantic.com clipped from www.theatlantic.com A generation ago, the standard assumption was that a dangerous object would strike Earth perhaps once in a million years. By the mid-1990s, researchers began to say that the threat was greater: perhaps a strike every 300,000 years. This winter, I asked William Ailor, an asteroid specialist at The Aerospace Corporation, a think tank for the Air Force, what he thought the risk was. Ailor’s answer: a one-in-10 chance per century of a dangerous space-object strike. clipped from alfin2100.blogspot.com Billions for Global Warming--But Not One Cent for the Defense of Earth From Space clipped from www.theatlantic.com

Related:
Target Earth
The Sky Is Falling
Al Fin: Billions for Global Warming--But Not One Cent for the Defense of Earth From Space