Mars (Sol IV) is the fourth planet in the Sol system. Originally uninhabitable, it was officially colonized by humans in the early 22nd century.

The government that united the disparate settlements and colonies, and seceded from the Earth nation-states and corporations that had founded them, was known as the Confederated Martian Colonies. (ENT novel: Beneath the Raptor's Wing)

Corporal Chang, one of the MACOs aboard Enterprise in 2153-54, was a veteran of the Martian Freehold Uprisings. (ENT novel: Last Full Measure)

By the mid-22nd century, a project called Blue Horizon existed to transform certain areas of Mars into arable land. (ENT novel: The Romulan War: To Brave the Storm)

In 2261, an environmental activist group, Whole Earth, sabotaged a terraforming experiment directed by Carol Marcus at Promethei Terra in Mars's southern hemisphere. One of the members of Dr. Marcus's team was Leila Kalomi. (TOS novel: Inception)

Astronomical dataEdit



  • Mars
  • Sol IV


Mars' two oddly shaped moons (which may be considered planetoids), Phobos ("fear") and Deimos ("panic"), were named for the two horses that drove the Roman god Mars' chariot.

Orbital facilitiesEdit

Cities and townsEdit

Notable natives and residents of MarsEdit

Natives and longtime residents are referred to as Martians.

Non-native bornEdit

Namesake starshipsEdit

A Saladin-class destroyer, USS Mars, was on active duty in the 23rd century. (Star Fleet Technical Manual)

There was a Phobos subclass of the Loknar class frigates. These were in service during the early 24th century, among them the USS Gunterman. (Star Trek: Of Gods and Men)

Alternate continuitiesEdit

In at least the Orion Press continuity, ruins of a long-dead civilization were found on Mars. Some believe these to be remnants of the Slaver Empire. (Orion Press: "Ad Astra Per Aspera")

External linksEdit

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