SpaceA gaggle of 7 moons keep Saturn’s rings from breaking apart The gravity from seven of its moons stops Saturn’s bright outer ring from spreading out and dispersing into space, according to Cassini spacecraft measurements News
SpaceTears for Cassini: why it's OK to well up over a lump of metal Expect more of the modern phenomenon of mass mourning for a machine when the space probe Cassini makes its death dive into Saturn, says Joelle Renstrom Comment