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; landing parties from the ship 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 while attempting to deliver supplies to the outpost. (VAN novel: Harbinger)

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