... Keplers Supernova Remnant in X Rays . ... Light from the stellar explosion that created this energized cosmic cloud was first seen on planet Earth in October 1604, a mere four hundred years ago. Comet McNaught Over Catalonia . ... This past weekend Comet McNaught peaked at a brightness that surpassed even Venus. ... Shown above is a time-lapse movie in infrared light detailing how stars in the central light-year of our Galaxy have moved over the past eight years. Comet Over Krakow . ...