Monday, January 16, 2006


Mass (kg): 3.3 x 10 23
Diameter (km): 4879.4
Mean density (kg/m 3 ): 5420
Escape velocity (m/s): 4300
Average distance from Sun: 0.387 AU (57,909,175 km)
Rotation period (length of day in Earth days): 58.65
Revolution period (length of year in Earth days): 87.97
Obliquity (tilt of axis degrees): 0
Orbit inclination (degrees): 7
Orbit eccentricity (deviation from circular): 0.206
Mean surface temperature (K): 452 (179 o C)
Maximum surface temperature (K): 700 (427 o C)
Minimum surface temperature (K): 100 (-173 o C)
Satellites: None
Visual geometric albedo: (reflectivity): 0.12
Largest known surface feature: Caloris Basin (1350 km diameter)
Atmospheric components: trace amounts of hydrogen (H) and helium (He)
Surface materials: basaltic and anorthositic rocks and regolith


Anonymous Anonymous said...

You have really great taste on catch article titles, even when you are not interested in this topic you push to read it

6:36 PM  
Anonymous Anonymous said...

Do you have copy writer for so good articles? If so please give me contacts, because this really rocks! :)

9:05 AM  

Post a Comment

<< Home

eXTReMe Tracker