On 9/10/2010 11:19 AM, Oz-in-DFW wrote:
On 9/10/2010 12:26 PM, Stanley Reynolds wrote:
On the crazy side another common view object is the lunar laser ranging
retroreflector array. Has been improvements in cost of lasers and telescopes in
the past 41 years and it doesn't appear to be headed for shutdown anytime soon.
Stanley
Can they even shut this down? I thought it was passive. Last I heard
they were worried about it becoming unusable as the loss was rising,
presumably because of dust accretion. But even that seems to have
stabilized.
Some failure modes that cause every GPS satellite to be unusable might
also affect the moon.
Of course, you'll have bigger problems to worry about when this happens.
Matthew Kaufman
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