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He was born.
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Publishes On the revolution od the celestial spheres
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Had his first astronomaical obersvation
Also was the first time ever a teloscope was used. -
Galileos observations of Venus began.
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Dialogue concerning the two chief world systems.
Discussers views... -
White light is composed of all colors.
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Issac Newton creates a new telescope
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Galxies are moving away from earth.
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Hubles law was made
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of heart attack.
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