NASA's Hubble Space Telescope picture of a rare alignment of three of Jupiter's largest moons – Io, Ganymede, and Callisto – across the planet's face. Photo Credit - NASA, ESA, and E. Karkoschka (University of Arizona)
This dramatic view of Jupiter's Great Red Spot and its surroundings was obtained by Voyager 1 on 25 Feb. when the spacecraft was million km million miles) from Jupiter. Cloud details as small as 160 km miles) across can be seen here.
Jupiter and Its Two Red Spots June 2010 Jupiter and Its Two Red Spots Gemini North adaptive optics image of Jupiter and its two red spots (which appear white because this is a near-infrared image; in visible light they appear reddish).