>If that electron is captured by oxygen in the Martian atmosphere >before it can return to its source, the iron atom becomes >oxidized, or rusted. OK, there may be the reason the Moon isn't rusted - no Oxygen. Bob Young The archive and Web site for our list is at http://www.meteorobs.org To stop getting all email from the 'meteorobs' lists, use our Webform: http://www.meteorobs.org/subscribe.html