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This will be the closest approach by a known asteroid of this size or larger until 2027
Astronomers study asteroid nearing Earth Jan 24, 2008
Fred was one of the truly great forces in astronomical research, and our field has gained immeasurably as a result of his insights
Fred Whipple, noted astronomer, dies at 97 Aug 31, 2004
This was a complete paradigm switch since, back then, the consensus model for a comet was a flying cloud of particles
Fred Whipple, noted astronomer, dies at 97 Aug 31, 2004
There has to be a meeting of the minds at the Department of Defense and NASA to determine the next level of the search
Finding menacing asteroids is a first step Feb 24, 2004
We know what we need to do, but we need the resources to do it
Finding menacing asteroids is a first step Feb 24, 2004