A picture, made by Kepler, showing the orbit of a planet.
Two pages of the handwriting of Johan Kepler, containing calculations of the orbit of the planet Mars.
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A picture, made by Kepler, showing the orbit of a planet. Two pages of the handwriting of Johan Kepler, containing calculations of the orbit of the planet Mars. |
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The observatory in Prague, where Kepler has finished most of his works. Among the instruments in the observatory there are no telescopes yet. |
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