... Does the Sun always rise in the same direction? ... Thin Rings Around Polarized Saturn . ... Brightness measurements from different angles have shown Saturn's rings to be about one kilometer thick, making them many times thinner, in relative proportion, than a razor blade. ... Apollo 17: Last on the Moon . ... To help find out, the robot Cassini spacecraft currently orbiting Saturn was directed to fly right past the second largest moon of the gas giant planet late last month. ... October 2008 . ...