Something irking me about this name
ter·ra
/ˈterə/
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noun
1.
land or territory.
2.
(in science fiction) the planet earth.
Mar in Espanol means "sea"
ter·ra·form
/ˈterəˌfôrm/
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verb
(especially in science fiction) transform (a planet) so as to resemble the earth, especially so that it can support human life.