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Science-Fiction Adventure in the Far Future
T-Prime, T-Norm

Terran Prime, Terran Norm

Terran Prime and Terran Norm are classification terms given to worlds with certain desirable physical characteristics.

Terran Prime (T-prime) worlds are worlds similar to the Terran standard type; such worlds are highly prized as habitations. To be classed as Terran Prime, a world's physical characteristics must fall within the following ranges:

*Size: 6 - 9
*Atmosphere: 4 - 9
*Hydrography: 3 - 9
*Gravity: 0.6 - 1.1G

Within this category is the Terran Norm (T-norm) type:
*Size: 7 - 9
*Atmosphere: 6 - 7
*Hydrography: 5 - 7
*Gravity: 0.75 - 1.1G

This latter classification almost guarantees successful colonisation or tourist industries.

Note that the actual UPP of Terra (1827 Solomani Rim) is A-867A69-F.

Refs: ADV-4, 1107; BOOK-6, 1107; MT-ALIENS2, 1120