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Feb 19, 1473
Copernicus
He developed the Heliocentric model. -
Feb 15, 1546
Gallileo
He discovered craters on the moon.
He also furthred the helipcentic model. -
Dec 14, 1546
Brahe
He combined the Heliocentric and Geocentric models.
He made the most accurate astronomical observations of his time. -
Dec 27, 1571
Kepler
He wrote the laws of Planetary Motion. -
The spyglass is invented; 1608
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A telescope is used to discover mountains and valleys on the moon: 1609
Gallileo
Venice, Italy -
The first reflecting telescope is built. 1680
Issac Newton
Cambridge, England -
A lens doublet without chromatic aberration is made. 1729
Made by astronomers at Chester Moor Hall of England -
Spiral nebulas are discovered. 1845
Lord Rosse
Parsontown, Island -
Ptolemy: 90
He furthured directed the Geocentric model.
his birth date is not known.