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Andrew CraycraftAST195Fall 2017Lab 3 Blackbody radiation and light Due September 6, 2017Please go to and click ”Run Now” to run the Blackbody Spectrum Java Applet. You should make sure you have an internet browser with Java installed. If you need help please contact Dr. Taveras. As you may have learned in your AST lecture most astronomical objects emit radiation of all different wavelengths (colors). What this applet does is simulate that. On the horizontal axis you have wavelength. On the vertical axis you have intensity - or how much light is being emitted at that particular wavelength. The magnifying glasses with the (+) and (-) symbols allow you to ”zoom” or change the scale on the axes. Over to the right you have a slider that controls the temperature which is represented by the ”thermometer.” It shows the temperatures of a few common objects like the Earth, an oven, a light bulb, and the surface of theSun. Notice that as you adjust the temperature the red curve in the figure changes, i.e. objects at
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