Orbit
From Tardis Wiki, the free Doctor Who reference
Orbit was the state of a celestial object or spacecraft revolving around a star, planet, or moon, esp. a periodic elliptical revolution.
Orbit was the state of a celestial object or spacecraft revolving around a star, planet, or moon, esp. a periodic elliptical revolution.
This page was last edited on 6 April 2012, at 14:37 (UTC).Last edited: 14:37, 6 April 2012 (UTC)