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Physics & Astronomy Facts


A Satellite Of Our Own

The regular daily and monthly rhythms of Earth's only natural satellite, the Moon, have guided timekeepers for thousands of years. Its influence on Earth's cycles, notably tides, has also been charted ...

Your Serve

NASA is well known for developing technology that makes things better, so can you believe that NASA actually did research on how to make tennis balls slower? ...
Jules Henri Poincare (1854-1912)
Poincare's Chaos

Over two hundred years after Newton published his laws of planetary motion the King Oscar II of Sweden and Norway sponsored a most unusual competition that would discover a whole new science. ...

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