Also Known As: Earth
Galaxy: Milky Way
Quadrant: Alpha Quadrant
Sector: Sector 0-0-1
Star System: Sol System
Star: Sol
Moons: Luna
Class: Unknown
Mass: 5.972 × 1024 kg
Atmosphere: O2 / N2
Species: Humans; large diversity in fauna and flora incl. [[../xenology/humpback.htm|Megaptera novaeangliae]]'
Federation Affiliation: Member

Indigenous name: Earth. The third of ten planets in the Sol system, Terra is the homeworld of the Humans (sometimes also called Terrans).

Terra is one of the founding members of the United Federation of Planets, and is home to Starfleet headquarters, the primary exploratory and defensive force of the UFP.

An image was taken by the Apollo 17 astronauts on December 7, 1972, as they left Earth orbit en route to the Moon (Luna).