Determination of Heading Heading is irrelevant if a robot is only wandering. Heading matters immensely for reaching destinations and computing routes. A compass is irrelevant, since the moon lacks magnetic field. Here are good ways to determine heading.
Bookmark/Search this post with: 
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
Links:
[1] http://del.icio.us/post?url=http%3A%2F%2Fwww.googlelunarxprize.org%2Flunar%2Fteams%2Fastrobotic%2Fblog%2Fdetermination-of-heading&title=Determination+of+Heading
[2] http://digg.com/submit?phase=2&url=http%3A%2F%2Fwww.googlelunarxprize.org%2Flunar%2Fteams%2Fastrobotic%2Fblog%2Fdetermination-of-heading&title=Determination+of+Heading
[3] http://www.stumbleupon.com/submit?url=http%3A%2F%2Fwww.googlelunarxprize.org%2Flunar%2Fteams%2Fastrobotic%2Fblog%2Fdetermination-of-heading&title=Determination+of+Heading
[4] http://www.propeller.com/submit/?U=http%3A%2F%2Fwww.googlelunarxprize.org%2Flunar%2Fteams%2Fastrobotic%2Fblog%2Fdetermination-of-heading&T=Determination+of+Heading
[5] http://reddit.com/submit?url=http%3A%2F%2Fwww.googlelunarxprize.org%2Flunar%2Fteams%2Fastrobotic%2Fblog%2Fdetermination-of-heading&title=Determination+of+Heading
[6] http://ma.gnolia.com/bookmarklet/add?url=http%3A%2F%2Fwww.googlelunarxprize.org%2Flunar%2Fteams%2Fastrobotic%2Fblog%2Fdetermination-of-heading&title=Determination+of+Heading
[7] http://www.newsvine.com/_tools/seed&save?u=http%3A%2F%2Fwww.googlelunarxprize.org%2Flunar%2Fteams%2Fastrobotic%2Fblog%2Fdetermination-of-heading&h=Determination+of+Heading
[8] http://www.furl.net/storeIt.jsp?u=http%3A%2F%2Fwww.googlelunarxprize.org%2Flunar%2Fteams%2Fastrobotic%2Fblog%2Fdetermination-of-heading&t=Determination+of+Heading
[9] http://www.facebook.com/sharer.php?u=http%3A%2F%2Fwww.googlelunarxprize.org%2Flunar%2Fteams%2Fastrobotic%2Fblog%2Fdetermination-of-heading&t=Determination+of+Heading
[10] http://technorati.com/cosmos/search.html?url=http%3A%2F%2Fwww.googlelunarxprize.org%2Flunar%2Fteams%2Fastrobotic%2Fblog%2Fdetermination-of-heading