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Author Topic:   Sun-Earth-Moon Gravity
NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 18 of 119 (347830)
09-09-2006 6:02 PM
Reply to: Message 17 by Taz
09-09-2006 5:55 PM


Alot
"Alot" is a town and a nagar panchayat in Ratlam district in the state of Madhya Pradesh, India.
allot
verb (allots, allotting, allotted) give or apportion (something) to someone.
pedantic pain in the ass eh?

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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 54 of 119 (413340)
07-30-2007 12:21 PM
Reply to: Message 53 by mpc755
07-30-2007 12:07 PM


General Relativity
Has anyone come up with a reason why gravity exists, or how it works?
My crack-pot theory is that all objects displace space, and it is this displaced space that causes objects to remain in orbit around one another.
I'm afraid that is, indeed, crackpot.
General relativity is the best current explanation of gravity. Object orbit one another moving in something that might loosly be called a "straight line" in spacetime but spacetime itself is bent by the mass of objects. Gravity is what we see from this bending.
The math of special relativity is pretty simple but GR is much, much harder (too hard for me). GR is also extremely well supported by many experiments. It is far and away the best answer we have right now.

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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 116 of 119 (421324)
09-12-2007 2:06 AM
Reply to: Message 115 by Calypso
09-12-2007 12:59 AM


Tides
Tides are caused by a difference in the gravity from one side to the other. Since the distance from one side of the earth to the other is a large percentage of the distance between the earth and moon those are the higher tides.

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 Message 115 by Calypso, posted 09-12-2007 12:59 AM Calypso has not replied

  
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