Class D: Difference between revisions
m (Class D) |
(No difference)
|
Latest revision as of 17:03, 31 May 2009
Classification
Class D - Asteroid/Moon
Age
2-10 billion years
Diameter
100 - 1,000 km
Location
Hot Zone/Ecosphere/Cold Zone; found primarily in orbit of larger planets or in asteroid fields
Surface
Barren and cratered
Atmosphere
None or very tenous
Life-forms
None