Light, Optics and Telescopes Trip to Lick Observatory

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At sunset, even more “reddening”… In space the sky is dark…
The electromagnetic spectrum • “White” light contains a mixture of colors… ! similar to that in sunlight. • Our eyes are insensitive to most of the electromagnetic spectrum. Early studies of light… • Showed that it traveled at a finite speed… ! Galileo tried to demonstrate this with lanterns ! Olas Roemer succeeded with Jupiter’s moons • Newton developed a “particle” theory of light • Christian Huygens developed a “wave” theory ! light waves analogous to sound waves In fact, they were both right…
Page 1 and 2: Light, Optics and Telescopes Trip t
Page 3: Eyes and brain process information
Page 7 and 8: Wave fronts and light rays • Wave
Page 9 and 10: Cameras and telescopes • Cameras
Page 11 and 12: Reflectors • Use mirror for prima
Page 13 and 14: Telescope mounts: • Alt-Az ! azim
Page 15 and 16: and have better resolving power…
Page 17 and 18: Visual observing: what you care abo
Page 19 and 20: Telescope focal length: • Telesco
Page 21 and 22: Better seeing in space • Best see

Light, Optics and Telescopes Trip to Lick Observatory

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