- For the primary universe counterpart, see Earth.
- For the alternate mirror universe counterpart, see Earth (AMU).
- For the mirror universe counterpart, see Earth (mirror).
| PLANET | |
| Earth | |
 Earth from orbit | |
| Alternate name(s): | Terra, Sol III |
| Classification: | Class M planet |
| Affiliation: | Terran Empire |
| Location: | Sol system, Alpha Quadrant |
| Moon(s): | Luna |
| Dominant Species: | Terran |
| Warp Capable: | 2063 |
| Population: | 9 billion |
| Capital: | Rome |
| Gravity: | 1.0G |
| Diameter: | 12,742 kilometers |
| Equatorial circumference: | 40,075 kilometers |
| Length of day: | 24 hours |
| Land mass percentage: | 29% |
In the dark mirror universe, Earth is the capital planet of a strong militaristic governmental authority known as the Terran Empire.
It is an M-Class planet, and the third world located in the Sol system, and also the homeworld to a humanoid race in this universe called themselves Terrans.
The city of Rome became the planet's capital of the Empire.
It has one moon, Luna.
It is often called Terra, its Latin name, by many non-Terrans throughout the Empire. The term Terran can't refer to Humanity in general, to things related to Earth, or specifically to its citizens.