It takes a lot for a blowhard like James Cameron to notice something outside of himself, which makes it all the more impressive that he has publicly hailed Alfonso Cuarón’s Gravity as “the best space film ever done.” The setup is bracingly simple: High above the earth, a bunch of astronauts are making repairs on their space shuttle when things go terribly wrong. Left virtually alone is Sandra Bullock, who fills the majority of Gravity’s running time trying to navigate a series of life-saving challenges in outer space. But the real star is the setting—Cuarón’s slow-moving, gravity-free plain of wonder and terror. (See Movie Times: