Reflective - Telescope based on mirrors, Refractive - Telescope based on lenses, Chromatic Abberation - Blurry colors that occur when light passes through a medium, Resolution - The ability to separate two objects (see the clarity), Light travels in... - straight lines, Light travels at the... - same speed, Most important property of a telescope - Light Gathering Power (LGP), Least important property of a telescope - Magnification, Hot objects look - blue, Cool objects look - red, Blackbody - Perfect emitter of light, Newton - Did the prism experiment, Roemer - Measured the speed of light,

Chapter 3

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