[ExI] physics question

[William Flynn Wallace]

Thanks.  By 'we' I assume you mean some far future people.  bill w

On Mon, Aug 20, 2018 at 1:01 PM, <spike at rainier66.com> wrote:

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> *From:* extropy-chat <extropy-chat-bounces at lists.extropy.org> *On Behalf
> Of *William Flynn Wallace
> *Sent:* Monday, August 20, 2018 10:47 AM
> *To:* ExI chat list <extropy-chat at lists.extropy.org>
> *Subject:* [ExI] physics question
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> There were 400 days in an earth year 620 million years ago.
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> HUh??
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> bill w
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> Ja.  The moon drags on the earth thru tides.  This gradually moves the
> moon to a higher orbit and slows the earth’s rotation (angular momentum is
> conserved.)  Eventually the earth and moon will be tide locked, so we might
> need to go to the other side of the planet to see it.
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> spike
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