90 (number)

90 was a number.

The Tenth Doctor recalled that he visited the Medusa Cascade when he was "just a kid" of 90 years old. (TV: Turn Left)

Halcyon was 90 light-years from Earth. (AUDIO: The Resurrection of Mars)

In the Twelve Galaxies, 90 forvalars were equal to 1 krin. (TV: The Ghost Monument)