Hubble confirms new dark spot on Neptune
Thursday, June 23, 2016 - 14:51
in Astronomy & Space
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 1994, this vortex is the first one observed on Neptune in the 21st century.