Janus in the Way
NASA Cassini spacecraft looks past the cratered south polar area of Saturn moon Rhea to spy the moon Dione and the planet rings in the distance. Dione wispy terrain can be seen on the trailing hemisphere of that moon.
NASA Cassini spacecraft looks past the cratered south polar area of Saturn moon Rhea to spy the moon Dione and the planet rings in the distance. Dione wispy terrain can be seen on the trailing hemisphere of that moon.