Sep 25, 2009
Asteroid attack: Putting Earth’s defences to the test
Posted by Ole Peter Galaasen in categories: asteroid/comet impacts, defense, existential risks
Peter Garretson from the Lifeboat Advisory Board appears in the latest edition of New Scientist:
“IT LOOKS inconsequential enough, the faint little spot moving leisurely across the sky. The mountain-top telescope that just detected it is taking it very seriously, though. It is an asteroid, one never seen before. Rapid-survey telescopes discover thousands of asteroids every year, but there’s something very particular about this one. The telescope’s software decides to wake several human astronomers with a text message they hoped they would never receive. The asteroid is on a collision course with Earth. It is the size of a skyscraper and it’s big enough to raze a city to the ground. Oh, and it will be here in three days.
Far-fetched it might seem, but this scenario is all too plausible. Certainly it is realistic enough that the US air force recently brought together scientists, military officers and emergency-response officials for the first time to assess the nation’s ability to cope, should it come to pass.
Continue reading “Asteroid attack: Putting Earth's defences to the test” »