Europa Rises
Europa Rises In this dramatic shot from the New Horizons flyby of Jupiter, it observed Europa, the smallest of the four Galilean moons of Jupiter, rising above the vast limb of Jupiter. This was one of seven observations made by New Horizons for primarily aesthetic rather than scientific reasons. NASA / JHUAPL / SwRI

"We're changing the world. Are you in?"
- CEO Bill Nye

Sign up for email updates