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Nicolaus Copernicus-He mark the beginning of the Scientific Revolution was written by a polish astronomer.

Johannes Kepler-German astronomer tried to map the orbits of the planets.

Tycho Brahe-Important astronomer spends most of his life observing the stars.

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Barometer-Is a scientific instrument that measures air pressure.

Galileo Galilei-He was the first person to study the sky with a telescope.

Sir Isaac Newton-Most greatest and most influential scientist who ever lived.