Re: How much global warming(GW) is our local mascon good for?

Article View: sci.physics

Article #14478

#14478

From: Rich
Date: Sun, 27 May 2007 17:06

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The Ghost In The Machine wrote:
> In sci.physics, Phineas T Puddleduck
> <phineaspuddleduck@gmail.com>
>  wrote
> on Sun, 27 May 2007 16:45:09 +0100
> <phineaspuddleduck-B2278D.16450927052007@news.octanews.com>:
>> In article <1180239547.283666.73560@z28g2000prd.googlegroups.com>,
>>  BradGuth <bradguth@gmail.com> wrote:
>>
>>> Don't need any stinking big-ass rocket engines, or those impactors
>>> from our Oort cloud.  As I'd said before, given a good supercomputer
>>> and of its fully interactive orbital physics software is all that I'll
>>> need, plus a spare trillion dollars per year for roughly the next
>>> century.  Got a problem with any of that?
>>
>> Yep - its utter nonsense.
>>
> 
> Of course, he is right in that one can move Luna by
> waving a very small amount of mass in its near vicinity.
> The catch is that the Moon will move only a very small
> amount; it's a conservation of momentum calculation.
> 
> Take a 1 kg ball on a stick 1 meter in length, sticking
> straight up from the lunar regolith.  Remove the ball and
> place it near the base of the stick.  The moon has moved.
> How much has it moved?  About 1.3605 * 10^-23 m.
> 
> It's going to take a little more than that to move the Moon to L1. ;-)

What if we use a 2kg ball?  :^/

I'm remonded of a similar method propsed for changing the orbit or an
asteroid or comet on path to the earth. My question has always been,
how much fuel are you gonna need for station keeping and how are you
going to supply it.

Cheers,

Rich

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Subject: Re: How much global warming(GW) is our local mascon good for?
References: <1178072047.983654.313060@y5g2000hsa.googlegroups.com> <1179598963.603911.239020@e65g2000hsc.googlegroups.com> <1179680620.643558.83730@b40g2000prd.googlegroups.com> <pc5di4-20j.ln1@sirius.tg00suus7038.net> <1180239547.283666.73560@z28g2000prd.googlegroups.com> <phineaspuddleduck-B2278D.16450927052007@news.octanews.com> <tkooi4-e1l.ln1@sirius.tg00suus7038.net>
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