Spectra Lab

Spectra Lab - Spectra Lab Parker R. Watson February 26,...

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Spectra Lab Parker R. Watson February 26, 2007 Adam Trotter Astronomy 101 Section 412 “I pledge that I have neither given nor received any unauthorized aid on this report.”
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Abstract During this experiment, several spectra were observed. This was done in order to learn to distinguish the different chemical compositions that help astronomers to determine what elements make up a star. This is helpful in astronomy because it allows astronomers to better understand how and why stars work the way they do. It also allows astronomers to take the temperature of stars. Spectrum can also use the light spectrum to be used to find a star’s speed toward or away from the observer and the rate of rotation of that planet. Procedure During the experiment, Geisler tubes of various elements were displayed using a high voltage supply. After the lights were turned off, a spectrometer was used to observe the wavelength of the observed light source. These measurements were recorded on the small tables provided in the pages in the workbook. Where lines of a certain color
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Spectra Lab - Spectra Lab Parker R. Watson February 26,...

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