Science News Online has an article about two high school students who each made significant contributions to the study of near-earth objects as a part of this year's Intel Science Talent Search. Both projects have the advantage of being obvious but hitherto undeveloped applications of existing theory to this emerging (and important) field. Go read the article for details.
The usefulness of simultaneous parallax measurements is a strong argument in favor building a lunar observatory. We can currently achieve measurements from earth with a large angular separation by sampling six months apart, but that won't do much good for calculating the positions of fast-moving objects.
(HT: GeekPress.)
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