We can’t bring ‘em home, but we should be able to figure out what they’re made of
The soon-to-die Cassini probe has captured tiny fragments of Saturn’s rings. Cassini’s was launched in 1997, made it to Saturn in 2004 and has been there ever since. But the probe is running out of fuel and will be crashed into the gas giant in September 2017, in order to avoid possible contamination of potentially-life-bearing moons.…