Existing sky surveys miss many asteroids smaller than 1 kilometre across, leaving the door open to damaging impacts on Earth with little or no warning, a panel of scientists reports. Doing better will require devoting more powerful telescopes to asteroid hunting, but no one has committed the funds needed to do so, it says.
Thursday, August 13, 2009
Discouraging news
Earth could be blindsided by asteroids, panel warns - space - 12 August 2009 - New Scientist
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