Back in the late 1990s as the digital revolution overtook photography there were abortive attempts to develop a digital upgrade for 35mm film cameras. Imagine a film cartridge with attached sensor ...

That camera, called LSSTCam (the telescope was originally called the Large Scale Synoptic Telescope), has 21 times the field of view of the ComCam and is a whopping 3,200-megapixel imager. Scientists ...