File:Spectrum of the Star Altair (01F8GF7Z3Q28EJBC051YNTMJ2X).png

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English: Light from a star can be separated into its component colors to form a spectrum. The spectrum reveals details in the brightness of different colors of starlight that are not visible to the naked eye. Detectors in the telescope can measure the precise brightness of individual wavelengths. Those data can be plotted on a graph of brightness vs. wavelength. Astronomers can then use the graph to make inferences about the temperature, composition, motion, and other characteristics of the star. Our understanding of the composition, temperature, and motion of Altair is based on its spectrum.
Date 2 July 2021 (upload date)
Source Spectrum of the Star Altair
Author ILLUSTRATION: NASA, ESA, Leah Hustak (STScI)
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Public domain This file is in the public domain because it was created by NASA, ESA and CSA. NASA Webb material is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA/CSA is credited as the source of the material. This license does not apply if source material from other organizations is in use.
The material was created for NASA by Space Telescope Science Institute under Contract NAS5-03127. Copyright statement at webbtelescope.org. For material created by the European Space Agency on the esawebb.org site, use the {{ESA-Webb}} tag.

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current13:06, 18 February 2023Thumbnail for version as of 13:06, 18 February 20232,001 × 1,184 (239 KB)OptimusPrimeBot (talk | contribs)#Spacemedia - Upload of https://stsci-opo.org/STScI-01F8QMNE732100R96RVR7DYAVX.png via Commons:Spacemedia

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