Asteroid impact is a very real threat to the earth. While the statistics on the probability of such occurrences vary in certainty, it is generally accepted that objects 5-10m in diameter hit the earth once every year while the odds of a devastating asteroid strike is approximately one in ten chance of hitting per century. Clearly, with the potentially monumental costs of such a devastating strike occurring, it is in our best interest to know as much as we can about potential strikes. Any ability to see such a catastrophe in advance has the potential to be of civilization saving significance, which brings us to the unprecedented observations made of 2008 TC3, an asteroid that fell to Earth late last year.
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