What if all the answers to the universe resided in the stars? What if your real home was in space? What if you had a camera engineered specifically to capture the beauty of the night sky? You do. Canon has just outed the proper successor to the EOS 20Da, with the 60Da "catering to astronomers and hobbyists" who'd rather spend their clicks on galaxies than flowers and Earthlings. According to Canon, there's a "modified infrared filter and a low-noise sensor with heightened hydrogen-alpha sensitivity" -- something that presumably means the world to astronomers. In more understandable terms, it's packing an 18-megapixel C