All about spectroscopy

Spectroscopy is probably the most important tool the scientist can use to find out more about our universe. What is spectroscopy? In its simplest form, spectroscopy is the measurement of light coming off of an object. We can graph this information in spectrum to make it easier for us to understand. Below is an example of a graphed spectra: These dips and spikes happen at a certain wavelength. Because wavelengths correspond to color, we can visualize the data in a graph like this. What causes these lines? […]

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