[meteorite-list] Regmaglypts

From: valparint at aol.com <valparint_at_meteoritecentral.com>
Date: Fri, 29 Jan 2010 11:35:23 -0700
Message-ID: <8A4092763FB74E598494BDD9F7AD4A4A_at_vpoffsiteweb.local>

>Phyllis wrote "in microgravity, there is no density difference between materials because
>density, as a material property, depends on gravity. So, the concepts of "heavy" and
>"light" don't apply.

Hmmm. Density is defined as mass per unit volume and is, therefore, independent of gravity. "Heavy" and "light" are not density terms - they are weight terms - hence gravity related. No matter what the gravity is, nickel-iron is denser than olivine.

Paul Swartz
Received on Fri 29 Jan 2010 01:35:23 PM PST