Date post: | 17-Dec-2015 |
Category: |
Documents |
Upload: | charles-conley |
View: | 215 times |
Download: | 2 times |
History of Astronomy Aristotle 380 B. C.
Earth Centered UniverseStars & everything else
orbited earth.
Earth-(center)Moon
Mercury
VenusSun
Mars
Jupiter
Saturn
Ptolomy: Greek Astronomer (140 CE—150A.D.)
Earth Centered Solar System(Ptolomy)
Earth-(center)Moon
Mercury
VenusSun
Mars
Jupiter
Saturn
Columbus:Sailor (1492 A.D.) Sailed around the Earth-It was
“NOT” square & flat.
Copernicus:Polish Astronomer (1500 A.D.)
Sun Centered Solar System(Copernicus)
Sun-(center)
Moon
Mercury
VenusEarth
Mars
Jupiter
Saturn
Tyco Brahe: Danish Astronomer (1550 A. D.) & his Astrolabe
Johannes Kepler: (German)
Oval or Ellipse Orbits
Not Circular orbits
Galileo: Astronomer (1609 A.D.) Italian
Another technological device being used.
Newton: English (1668)
Jansky 1931--Built the 1st Radio telescope--better technology
Sputnic 1957--1st Satellite Russian--better technology
Hubble 1924--1st Space Telescope 1- showed other galaxies existed beyond the edge of the Milky way; 2- Confirmed that the universe is much larger than our galaxy—that the universe is expanding and an getting bigger.