Ravanar IV was a planet in the Taurus Reach, the fourth planet of the Ravanar system.

In 2263 the planet was visited by the USS Constellation, teams from the Constellation took biological samples and discovered what would become known as the Meta-genome. This discovery resulted in the fast tracked construction of Starbase 47 nearby.

By 2265 the planet had become home to a Starfleet Intelligence Outpost under command of Dean Singer. A starship attached to Starbase 47, the USS Bombay, was destroyed over the planet by a group of Tholian vessels whilst attempting to delivery supplies to the outpost. (VAN novel: Harbinger)

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