Reality Check

Rick Donaldson’s “Reality Check” Blog and Podcast.

Thu, 5 April 2007 / 0821

The Asteroid Threat: revisited

Filed under: Astronomy, The Asteroid Threat


Here’s a good movie, mentioned 1950DA, which will come to visit us in about 2880. Long time from now, and we’ll all be long, long gone, but, it might give us time to think about moving off-world by then.






















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