[meteorite-list] Regmaglypts

[valparint at aol.com]

>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