Cassini Spies Another Pale Blue Dot

Speaking of Saturn's rings, on April 11, 2014, Cassini was taking a snapshot of Saturn's thin outer F ring when it got a bonus: Uranus! The picture above shows the seventh planet from the Sun as a small, pale blue dot (hmmmm, that sounds familiar). Uranus is actually a big planet, four times wider than Earth, but it was a staggering 4.3 billion kilometers (2.7 billion miles) from Saturn when this shot was taken, nearly on the opposite side of the Sun. It's amazing Cassini saw anything at all (th...