To: WSFAlist at KeithLynch.net
Date: Sat, 1 Jun 2013 20:27:08 -0400
Subject: [WSFA] Re: negative gravity
From: Ron Kean <ronkean at juno.com>
Reply-To: WSFA members <WSFAlist at KeithLynch.net>

In the case of a gravity map, negative and positive readings would
probably be relative to a mean gravity reference strength.

In a larger context, negative gravity can be a manifestation of dark
energy.

http://www.nytimes.com/2001/04/03/us/photo-gives-weight-to-einstein-s-the
sis-of-negative-gravity.html

Ron Kean

On Sat, 01 Jun 2013 14:03:56 -0400 "Mike B." <yahoo at omniphile.com>
writes:
> On 5/31/2013 6:58 PM, mark wrote:
> > Using high-resolution gravity data from NASA's Gravity Recovery
> and
> > Interior Laboratory (GRAIL) mission, researchers at MIT and
> Purdue
> > University have mapped the structure of several lunar mascons and
> found
> > that their gravitational fields resemble a bull's-eye pattern: a
> center of
> > strong, or positive, gravity surrounded by alternating rings of
> negative
> > and positive gravity.
>
> "Negative and positive gravity"????  What the hell is "negative
> gravity"??  I'm surprised that got through in an MIT publication.
>
> I suspect that they meant increasing and decreasing levels of
> attraction, not negative gravity.
>
> -- Mike B.
>

.
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