TY  - BOOK
AU  - Siy, Alexandra 
TI  - Cars on mars: Roving the red planet 
SN  - 9781570914638
AV  - QB641 .S495 
U1  - 919.9 
PY  - 2009///
CY  - Watertown : 
PB  - Charlesbridge , 
KW  - Mars (Planet) -Exploration
KW  - Juvenile literature
KW  - Roving vehicles( Astronautics )
N2  - Follow the course of NASA's Mars Exploration Rovers Mission. Learn how scientists determined that there was once water on Mars and how they resolved problems with the rovers in order to prolong the mission
ER  -