Mercury
Some basic facts:
- radius ~ 0.4 R_Earth
- distance from sun ~ 0.4 AU, but quite eccentric
- min distance = 0.31 AU
- max distance = 0.47 AU
- hot, with big variation
- nighttime temp ~ 100 K
- daytime temp ~ 600 K
How about its interior ?
How about its motion ?
What does its surface look like?
Davison E. Soper, Institute of Theoretical Science,
University of Oregon, Eugene OR 97403 USA
soper@bovine.uoregon.edu