Earth

Earth is the only planet in the real universe known to support life. The characteristics of Earth are commonly used in versus debates when the characteristics of an inhabited planet are needed for some kind of calculation.

Key Measurments

Radius = 6,371 km Depth of crust = 40 km Depth of mantle = 2700 km Mass = 5.974E24 kg Core density = 9.5E3 kg/m³ Crust density = 2.8E3 kg/m³ Mass of ocean water ~ 1.4E21 kg Orbital radius around Sol = 149.6 million km (1 AU)

Earth in Star Trek

In Star Trek, Earth is the capital of the United Federation of Planets and the center of most of the Federation's research and manufacturing facilities, especially those related to Starfleet.