News Earth Back to the moon’s future Orbiter scouts oldest spots on the lunar surface for prospective landing sites Share this:FacebookTwitterPocketRedditPrintEmail By Camille M. Carlisle September 16, 2010 at 4:49 pm This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe