Ever since NASA's Cassini-Huygens spacecraft entered Saturn's orbit in 2004, filmmaker Stephen van Vuuren has been enthralled with its progress. So much so that he's spent years collecting over a million insanely high-res photos from Cassini's mission and quilted them together into a 45-minute film called In Saturn's Rings. Without relying on CGI or fancy visual effects, van Vuuren has patched together a sea