It never ceases to amaze me what men in the obligatory white coats can deduce from a still, monochrome, photograph taken of an object at least 200 million miles away!. Their spectrographic analysis can tell us the make up of everything from the rings of Saturn to the million miles long tail of a racing comet. The scientists in question are based at the David Dunlap Observatory in Ontario and for half an hour they regale us with images both real and speculative of our solar system, of the wider universe, stars, nova, super nova - you name it. The visual effects could easily be the inspiration fo... read the rest.