Orion's Arm - Encyclopedia Galactica

BY LETTER

Terrestrial Class

Image from Orion's Arm Contributors

Size range 0.05 to 2.5 Earth masses. These are the rocky planets, a deceptive name as not all of these worlds will be rocky. Their composition can be quite varied, as can their surface features and conditions. In general they can be defined as small dense worlds consisting mainly of heavy elements, with a liquid or solid surface.

Arean Type planet
Cytherean type worlds
Gaian Type
Jovian Class
Non-Luminary World Classification Scheme
Superterrestrial Worlds

Appears in Topics

Planetology

Development Notes

Text by John M. Dollan in his Planet Classification List

Initially published on 31 December 2007.