Astronomy Picture of the Day

Visit the NASA/JPL website to view more Astronomy Pictures of the Day Gibbous Europa Credit: Galileo Project, JPL, NASA; reprocessed by Ted Stryk Explanation: Although the phase of this moon might appear familiar, the moon itself might not. In fact, this gibbous phase shows part of Jupiter's moon Europa. The robot spacecraft Galileo captured this image mosaic during its mission orbiting Jupiter from 1995 - 2003. Visible are plains of bright ice, cracks that run to the ... Full Story