New images confirm the presence of a dark vortex on Neptune. Though similar features were seen during the Voyager 2 flyby of NASA's Hubble Space Telescope in 1989 and by Hubble in this vortex is the first one observed on Neptune in the century.
How far is Neptune from Earth? The distance from one planet to another is constantly shifting because both bodies are moving through space. When Neptune and Earth line up on the same side of the sun, at their closest, they are only billion miles