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The NOSE Have It! Topics: Brahe & Kepler Ellipses Keplers Laws.

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Presentation on theme: "The NOSE Have It! Topics: Brahe & Kepler Ellipses Keplers Laws."— Presentation transcript:

1 The NOSE Have It! Topics: Brahe & Kepler Ellipses Keplers Laws

2 Tycho Brahe (1546-1601) Danish Nobility. Astronomer Had a nice mustache?

3 King Tycho? He built a castle with a HUGE observatory on the island.

4 Brahes Mission Brahe wanted to verify the Copernican model. He was in search of PARALLAX! He was able to collect tons of data without a telescope!

5 In the process…. He made observations of a supernova (nova = new star) in 1572. He made careful observations of a comet in 1577 and showed that it was further away than the moon. How did these observations and findings rock the Aristotelian theories?

6 Brahes Blunder? Ultimately, Brahe couldnt find any stellar parallax. As a result, he concluded (correctly) that one of the following must be true: 1.The Earth was motionless at the center of the Universe. 2.The stars were so far away that their parallax was too small to measure.

7 Brahes Universe Universe Chose to revert to a Geocentric model! Earth at the center….planets revolve around the sun!

8 Kepler (1571-1630) Mathematician Astrologist Astronomer Big on Copernican model!

9 Keplers Universe… Included the FIVE PLATONIC SOLIDS! Included SIX SPHERES…one for each of the six known planets! Sun at center!

10 Keplers Laws http://home.cvc.org/science/kepler.htm


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