[meteorite-list] Origin of non-radial Imbrium Basin Sculpture (Moon)

Vast asteroid created 'Man in Moon's eye' crater by Rebecca Morelle, BBC News, July 20, 2016 http://www.bbc.com/news/science-environment-36847382 Asteroid that formed moon's Imbrium Basin may have been protoplanet-sized, July 20, 2016

[meteorite-list] Ad: New Brecciated Eucrite, NWA 10667, affordable slices (AD 3/12)

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Re: [meteorite-list] Earth time dilation: minimal latitude-dependence

> I'm now working through the math to figure > out the latitude on earth where you age the > slowest. ;-) Hi Rob, and fellow time pirates, That's one interesting calculation and I'd have thought the latitude was slam-dunk 90 N, because that's over 20 km closer to the center of gravity all

[meteorite-list] Earth time dilation: minimal latitude-dependence

Hi All, > I'm now working through the math to figure out the latitude on earth where you > age the slowest. Turns out the combination of 1/r GR effect from mass, a latitude-dependent quadrupole component, and the centripetal term (special relativity) due to the earth's rotation nearly

Re: [meteorite-list] More fun with GR

Hi Doug -- you are very close to the correct altitude of ~3167 km (~1.4965 * earth equatorial radius). I'm now working through the math to figure out the latitude on earth where you age the slowest. ;-) --Rob -Original Message- From: MexicoDoug [mailto:mexicod...@aol.com] Sent:

Re: [meteorite-list] More fun with GR

Hi Rob and the other meteoroidal travelers, I'd say a good mean altitude for government work would be about half of Earth's radius, and that ought to smooth out any technicalities to gain an understanding of the magnitudes which is what is interestng about the new question. A shortcut to

Re: [meteorite-list] More fun with GR

For the satellite, it varies according to the gravity field it flies over. Technically none exists because the gravity field is never constant. It dithers. Sent from my iPhone On Jul 21, 2016, at 2:01 AM, Matson, Rob D. via Meteorite-list wrote: Hi

[meteorite-list] AD: lot of mirror polished, quality meteorite Thin Sections

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[meteorite-list] More fun with GR

Hi Doug, I think you would have come up with the correct answer if I had given a more precise value for the clock slow down relative to a stationary clock in deep space: it should be 0.69693 parts per billion relative to a clock at sea-level on the earth's equator, or 60.2 microseconds per day.

[meteorite-list] Meteorite Picture of the Day

Today's Meteorite Picture of the Day: Archie Contributed by: John Divelbiss http://www.tucsonmeteorites.com/mpodmain.asp?DD=07/21/2016 __ Visit our Facebook page https://www.facebook.com/meteoritecentral and the Archives at