Download presentation

Presentation is loading. Please wait.

3
Earth

5
Aristotle BC 384-322

6
Aristotle

7
Geocentric model

8
Nicolas Copernicus 1473-1543

9
Eyeball observations De Revolutionibus The Earth rotates on its axis once daily and revolves around the Sun once yearly.

10
Heliocentric Model

12
Tycho Brahe (1546-1601)

13
Johann Kepler (1571-1630)

14
Kepler’s 1 st Law “ellipses”

15
Kepler’s 2 nd Law “equal areas in equal times”

16
PlanetPeriodDistanceP/DP/D 2 P 2 /D 3 Mercury0.240.390.621.600.99 Venus0.620.720.851.181.00 Earth1.00 Mars1.881.521.230.811.00 Jupiter11.95.202.280.441.00 Saturn29.59.513.100.331.01

17
Kepler’s 3 rd Law “Harmonic Law”

18
Astronomical Unit Average Distance to Sun from the Earth 1 A.U. = 150 million km Examples: Mercury 0.4 A.U. Neptune 30 A.U.

Similar presentations

© 2021 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google