the.com/europa
jupiter's icy moon hiding an ocean twice earth's, keeping its secrets under twenty miles of ice.
means a moon of jupiter with a smooth ice shell over a liquid saltwater ocean, currently the solar system's best bet for alien life.
from named after europa, a phoenician princess from greek myth whom zeus abducted in the form of a white bull; galileo spotted the moon in 1610, one of the first four found orbiting another planet.
ocean sizetwice all earth's oceans combined
surface ageonly 40 to 90 million years old
heat sourcetidal flexing from jupiter's gravity, not the sun
next visitnasa's clipper probe arrives 2030