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LCROSS on LRO
nprev
post Mar 5 2008, 03:45 AM
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If I read that correctly, this will be real time?


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A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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dvandorn
post Mar 5 2008, 04:07 AM
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Wonderful! Assuming the "death plunge" is played live on NASA-TV, I'll have the honor of repeating Wally Schirra's classic line, shouted out as the astronauts watched a film made of Ranger VII's descent images:

"Pull up, you fool! Pull up!!!"

rolleyes.gif

-the other Doug


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djellison
post Mar 5 2008, 08:17 AM
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For those with access, this months Sky at Night (the extended BBC4 mix) is on www.bbc.co.uk/iplayer (go to channels, then BBC4). Chris Lintott visited the asembly facilities for LCROSS and LRO - and they actually imaged Chris and the scientists he was interviewing with LCROSS, with two nIR cameras, one sensitive to water, one not - so they can subtract the two images and identify where the water is. They were holding a bottle of water and it worked - very clever!

Doug
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Phil Stooke
post Mar 5 2008, 04:36 PM
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A few more LCROSS goodies:

http://lcross.arc.nasa.gov/astrWrkshpPres.htm

Phil


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mchan
post Mar 7 2008, 06:45 AM
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Such nice goodies. Thanks for posting link.

Regarding the "RocketCam", it will be on between 600 and 150 km with spacecraft covering distance in 3 minute (2.5 km/s) with ~0.8 Hz frame rate. The IR and spectrometer will continue until 2-3 seconds before impact. Ought to be a heck of a view of a death dive.
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Guido
post Mar 8 2008, 03:53 PM
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LCROSS will measure the amount of hydrogen in the Centaur debris plume to determine if there is water on the moon.
No hydrogen detected means no water, I suppose.
On the other hand, if hydrogen is indeed detected, this doesn't mean for sure there is water on the moon because the Atlas V's Centaur upper stage will still contain some hydrogen at the time of the impact! The hydrogen tank can not be vented for a full 100%.
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Jim from NSF.com
post Mar 10 2008, 11:33 PM
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QUOTE (Guido @ Mar 8 2008, 10:53 AM) *
LCROSS will measure the amount of hydrogen in the Centaur debris plume to determine if there is water on the moon.
No hydrogen detected means no water, I suppose.
On the other hand, if hydrogen is indeed detected, this doesn't mean for sure there is water on the moon because the Atlas V's Centaur upper stage will still contain some hydrogen at the time of the impact! The hydrogen tank can not be vented for a full 100%.


The amount of H2 in the tanks can be excluded from the measurements
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