while Ganymede is farther east. In addition to the conjunction with Mars, there's a lot going on around Jupiter this morning. Around 4:40 A.M. EDT, a small dark spot will appear on the cloud tops ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order). Credit: Space.com | footage credit: ESA/DLR/FU Berlin ...