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Re: Moonquakes

Subject: Re: Moonquakes
From: "George"
Date: Thu, 16 Mar 2006 04:54:25 GMT
Newsgroups: sci.astro, alt.sci.planetary, sci.geo.earthquakes
"Henry Spencer" <henry@xxxxxxxxxxxxx> wrote in message 
> In article <dvabte$8r6$1@xxxxxxxxxxxxxxxxxxx>,
> al <almond@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>>>The moon, however, is dry, cool and mostly rigid, like a chunk of stone
>>>or iron. So moonquakes set it vibrating like a tuning fork. Even if a
>>>moonquake isn't intense, "it just keeps going and going," Neal says.
>>I thought that the density of the moon was less than the Earth? Like 
> It's a simile, not meant to be taken literally.
>>How can he tell that the moon is dry subsurface?
> Because we've got plenty of bits and pieces from the subsurface, 
> excavated
> by impacts and mixed in with the rest.  And *all* the lunar samples are
> dry as a bone -- drier, in fact.
> -- 
> is temporarily off the air;               |   Henry Spencer
> mail to henry at instead.               | 
> henry@xxxxxxxxxxxxx

More importantly, no hydrated minerals have been found.


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