Some basic facts:
Davison E. Soper, Institute of Theoretical Science,
University of Oregon, Eugene OR 97403 USA
How about its motion ?
- radius ~ 0.5 R_Earth
- distance from sun ~ 1.5 AU.
- cold to cool: 133 K to 293 K.
- Mars has two small moons.
How about its interior ?
How about its atmosphere like?
Is there life on Mars?
What does its surface look like?