Astronomers have for the first time captured images of auroras above the giant planet Uranus. Uranus auroras, as seen by the Hubble Space Telescope in 2011 (Laurent Lamy) The images, taken by the NASA/ESO Hubble Space Telescope, reveal auroras on Uranus consisted of short-lived, faint, glowing dots. Unlike auroras on Earth, which can turn the sky greens and purples for hours, the newly detected auroras on Uranus appeared to only last a couple minutes. In...
