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Astronomy. Warm Up. What was the highlight of your vacation?. Go Over Test. Space Jam. https:// www.youtube.com/watch?v=olk5fjbygX8&list=PLB21EC36900471A4A&index=11. Geocentric Vs. Heliocentric. https:// www.youtube.com/watch?v=UtOEnTiAZlU. Geocentric vs. Heliocentric Contd.
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Warm Up • What was the highlight of your vacation?
Space Jam • https://www.youtube.com/watch?v=olk5fjbygX8&list=PLB21EC36900471A4A&index=11
Geocentric Vs. Heliocentric • https://www.youtube.com/watch?v=UtOEnTiAZlU
Geocentric vs. Heliocentric Contd. • Geocentric- Earth is stationary (does not move) while the other objects in the sky move around it. (ptolemy) • Heliocentric- Earth and the other planets move around the sun. (Copernicus) • Student model
Astronomical Units (AU’s) • An AU is the average distance between the Earth and the sun. • This is about 93 million miles
Distance between planets • https://www.youtube.com/watch?v=97Ob0xR0Ut8&list=PL7oGkduzt551uhrcCeueFHMjHlw-RJhSh&index=10
Wrap Up KWL and Test ? • 1. KWL • 2. Create one test question about what you think is the most important concept in this lecture. • Ask you partner…Can he/she answer it?