A few pictures to put things in perspective: A Hubble mosaic of the Crab Nebula, the remains of a "tremendous" stellar explosion. According to NASA, observers in China and Japan recorded the supernova nearly 1,000 years ago, in 1054.
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Reports on building a greener, more energy efficient world through sustainable Heating, Cooling & Hot Water. If we ever get serious about climate change and greenhouse gases, there is really no way to go but down.
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