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Hubble, Edwin, Edwin Hubble to V. M. Slipher, March 6, 1953, on using images for a lecture, 1953-03-06

Hubble wrote to Slipher to request use of a few of his images on velocity and some of his spectra to use with Hubble's own on distance to deliver a…

Tags: Astronomy, distance, Edwin Hubble, galaxies, galaxy, Nebula, nebulae, Red Shift, V.M. Slipher, velocity