Almost everything we know about Altair, a bright star in the constellation Aquila, comes from studying its light. This #ViewSpace interactive will show you how we study stars by observing images and spectra: https://bit.ly/4gy1xHH
ViewSpace | Analyzing Light: Spectrum of the Star Altair
Patterns in colors of starlight provide important information about the star.
Space Telescope Science Inst.
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