Hmmm, I actually had to think about this one for a few seconds and try to picture it in my head. It is because the if you can see the earth from where you're standing at the surface of the moon, it means you're standing on the side that ALWAYS faces the earth, and that meand that there is no Earth rise or set in the lunar sky =) -Mario -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of Steve Baldwin Sent: Tuesday, November 27, 2007 2:42 PM To: Microcontroller discussion list - Public. Subject: Re: [OT]: Which way is up? (Was:Total Lunar Eclipse) > I also > show this to relatives' kids when they come over to peek through my > telescope and start asking questions. It never fails, I always get a > "wow! that's so cool!". Here's something else for you to think about. The astronauts on Apollo 8 took a famous photo called "Earthrise". It's often attributed to Apollo 11 astronauts and as being taken from the surface of the moon. That can't be so. Why not ? Steve. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist