13.7: Cosmos And Culture13.7: Cosmos And Culture

Commentary On Science And Society

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This is an artist's imaginative rendering of an atom, but quantum mechanics makes it hard to imagine exactly what an atom is. Richard Graham Farmer/Science Photo Library/Corbis hide caption

itoggle caption Richard Graham Farmer/Science Photo Library/Corbis

The Horsehead Nebula, as seen with infrared light, shows clouds surrounding it have already dissipated. The Horsehead formation has about 5 million years left before it, too, disintegrates. NASA/ESA hide caption

itoggle caption NASA/ESA