Fun facts about the fabric of cosmos. An essential guide to milestone developments in astronomy, telling the story of our ideas about space, time, and the physics of the cosmos-from ancient times to the present day. more
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Enjoy the universe in all its colorful beauty. more
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The launch of the Hubble Space Telescope in 1990 began a lengthy period of scientific work in space that has reached 30 years and is continuing as this study is being completed. more
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Science is classified knowledge. The word itself in its etymology signifies what we know about a particular subject. more
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