Michael A'Hearn
Nov. 12, 2010
A Trip To A Comet
Last week, a NASA mission paid a visit to comet Hartley 2, flying by at a distance of just a few hundred miles. We'll talk about what they learned.
comet mission epoxi nasa space
Jan. 29, 2010
Tracking Near-Earth Objects
The US spends $4 million each year to search for comets or asteroids that could threaten the planet. That's not enough to get the job done, according to a new report from the National Research Council.
neo, asteroid, comet, meteor, collision, rock, space, deep impact, bruce willis
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