Science@NASA: Spirit's Journey to the Center of Mars

Find out the latest thinking about our universe.
User avatar
RJN
Baffled Boffin
Posts: 1493
Joined: Sat Jul 24, 2004 1:58 pm
Location: Michigan Tech

Science@NASA: Spirit's Journey to the Center of Mars

Post by RJN » Thu Feb 25, 2010 2:09 pm

http://science.nasa.gov/headlines/y2010 ... list113284
With the rover stationary, the radio's only motion will be the motion of Mars. Because the scientists already know the specifics of the red planet's orbit, they'll be able to use Spirit's radio signal to hone in on how the planet spins around its own axis.