NASA Dawn Asteroid Mission Told to "Stand Back Up", Reinstated! |
NASA Dawn Asteroid Mission Told to "Stand Back Up", Reinstated! |
Mar 28 2006, 07:58 AM
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Senior Member Group: Members Posts: 3419 Joined: 9-February 04 From: Minneapolis, MN, USA Member No.: 15 |
Just 'cause I said I would...
Hopefully, though, this whole episode has made its point -- NASA isn't afraid to tell overbudget missions to stand down. I just *really* wish we could get the magnetometer back on the beastie, though... -the other Doug -------------------- “The trouble ain't that there is too many fools, but that the lightning ain't distributed right.” -Mark Twain
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Guest_Myran_* |
Mar 30 2006, 06:36 PM
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Guests |
QUOTE JRehling wrote: The total mass of the main belt asteroids is less than the Moon, Thats correct, though the asteroid belt could have been more massive in the past with many bodies ejected, perturbed by Jupiter or broken up from collsions the ejecta in chaotic orbits etc. But I dont have any impression theres any consensus on how much more massive it might have been. But feel free to correct me on that if im mistaken. Yes Vesta are interesting since it is special in more than one way, yes it have taken a huge impact, and spectroscopy hints it have had some volcanism so its should have undergone differentiation. But you cut to the core (oops) of what I was thinking there, the question if most meteorites comes from one or few bodies. Or if they are offsprings of a wide range of parent bodies. |
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