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In astronomy, it is very important to consider what sort of microscope you will use in your observations. Generally for the personal stargazer, there are many forms of portable, smaller telescopes to choose from. However, for academia and research purposes, there are large observatories on earth and in space that can gaze into the depth of space. What sort of properties must we be aware of when operating telescopes and locating distant objects in the universe?

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Molecular physics is the investigation of the nature of molecules, their characteristics, and the forces that exist between atoms in chemical bonds.

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The Beer-Lambert Law is used in analytical chemistry techniques.

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Vibrational spectroscopy is used to investigate the oscillations of molecules. Raman spectroscopy and, more commonly, Infrared (IR) spectroscopy are used in laboratories. An IR spectrum shows the absorption of IR radiation.

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Spectroscopy is a branch of science in astronomy that studies celestial spectrum. From the spectrum of a celestial bodies we can get information about the temperature, the content / substance constituent components, the speed of motion, etc.. Therefore, spectroscopy is one of the basic science of astronomy. The spectrum of a star is obtained by using an instrument called a spectrograph.

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A lab that uses a spectrometer to determine the wavelengths of light emitted by an excited light gas.