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The top documents tagged [edwin hubble slide]
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Space Timeline Becca Douglas, Myles Gaines, Allison Huang, and Alyssa Yambor-Maul C period
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Class 21 : Other galaxies The distance to other galaxies Cepheid variable stars. Other methods. The velocities of galaxies Doppler shifts. Hubble’s law
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Cosmology. Observational evidence? “Cosmologists are often in error but never in doubt.” L.D. Landau
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