Slide 11 How Telescopes Changed our Understanding of the Universe STScI and NASA Slide 2 2 Before Telescopes We only had our eyes... and a variety of measuring instruments.…

Slide 1 Chapter 3 Gravity and the Rise of Modern Astronomy Earth seen from the Moon Courtesy of NASA, JSC Digital Image Collection Slide 2 © 2007 Jones and Bartlett Publishers…

Slide 1 Observing the Solar System Section 20.1 Slide 2 Early Observations Greek Observations Saw star patterns in the sky travel together (Constellations) Slide 3 Slide…

Greeks Discovered the planets Planet is the greek word meaning wanderers Called wanerers because they sometimes moved in the opposite direction from the rest of the visible…

Chapter 3 3-1 thru 3-4 Gravity and the Rise of Modern Astronomy Earth seen from the Moon Courtesy of NASA, JSC Digital Image Collection © 2007 Jones and Bartlett Publishers…

The measure of Cosmological distances Asaf Pe’er Space Telescope Science Institute August 2008 How far is Jupiter ?? Greece, c. 300BC What is the size of earth ? I. Science…