Saturn's one large moon, Titan, and several of the ringed planet's medium-sized moons. Earth's Moon is also shown for size comparison.
Original Windows to the Universe artwork by Randy Russell using images courtesy NASA.

Saturn's one large moon, Titan, and several of the ringed planet's medium-sized moons. Earth's Moon is also shown for size comparison.
Original Windows to the Universe artwork by Randy Russell using images courtesy NASA.

Saturn's one large moon, Titan, and several of the ringed planet's medium-sized moons. Earth's Moon is also shown for size comparison.
Original Windows to the Universe artwork by Randy Russell using images courtesy NASA.

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