Browse Items (49 total)

Hubble, Edwin, Edwin Hubble to V. M. Slipher, July 14, 1924, in response to several letters, 1924-07-14

Hubble responds to several of Slipher's letters at once as he had been away on a wedding trip. Among his responses, he notes sending a dozen sets of…

Tags: Edwin Hubble, galaxies, galaxy, Nebula, nebulae, V.M. Slipher

Hubble, Edwin, Edwin Hubble to V. M. Slipher, July 22, 1932, on spectrographic rotations of nebulae, 1932-07-22

Hubble contacted Slipher to ask if the report he had heard of Slipher observing spectrographic rotations of nebulae was true and, if so, how the work…

Tags: Edwin Hubble, galaxies, galaxy, Nebula, nebulae, spectrograph, V.M. Slipher, velocity

Hubble, Edwin, Edwin Hubble to V. M. Slipher, July 23, 1923, on Nebulae classification systems, 1923-07-24

Hubble sending Slipher some notes on nebula classification and suggesting that they utilize what they have so far to stimulate discussion at the…

Tags: Edwin Hubble, galaxies, galaxy, Nebula, nebulae, V.M. Slipher

Hubble, Edwin, Edwin Hubble to V. M. Slipher, July 27, 1942, on the draft of his paper "The Direction of Rotation of Spiral Nebulae", 1942-07-27

Hubble sent Slipher a copy of a revised paper for possible edits, emphasizing that he would revise it again based on specific spectrographic rotations…

Tags: Astronomy, Edwin Hubble, galaxies, galaxy, Nebula, nebulae, rotation, spectrograph, V.M. Slipher, velocity

Hubble, Edwin, Edwin Hubble to V. M. Slipher, July 8, 1940, on a catalogue of velocities of nebulae, 1940-07-08

Hubble wrote to Slipher to inform him that Mount Wilson was constructing a catalog of radical velocities of extragalactic nebulae and their…

Tags: dispersion, Edwin Hubble, galaxies, galaxy, Nebula, nebulae, V.M. Slipher, velocity

Hubble, Edwin, Edwin Hubble to V. M. Slipher, June 11, 1941, on the rotation of spiral galaxies and related theories, 1941-06-11

Hubble expresses thanks for Slipher's paper on the rotation of spirals and sent images Slipher requested with the letter, mentioning use of Slipher's…

Tags: Astronomy, Edwin Hubble, galaxies, galaxy, Nebula, nebulae, rotation, V.M. Slipher

Hubble, Edwin, Edwin Hubble to V. M. Slipher, June 22, 1926, on sub-committee appointments and potential plagiarism, 1926-06-22

Hubble describes that by process of elimination, he sees that he, Slipher, Shapley, and Reynolds were the only four really able to serve on the…

Tags: Edwin Hubble, galaxies, galaxy, Harlow Shapley, John H. Reynolds, Knut Lundmark, Lick Observatory, Nebula, nebulae, Otto Struve, V.M. Slipher, Yerkes Observatory

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

Hubble, Edwin, Edwin Hubble to V. M. Slipher, November 2, 1928, on results of observing station trip, 1928-11-02

Hubble describes how he had to finish up in Arizona unexpectedly but the best results were the observations from the Grand Canyon and Cameron,…

Tags: California Institute of Technology, Edwin Hubble, observing station, travel, V.M. Slipher

Hubble, Edwin, Edwin Hubble to V. M. Slipher, October 23, 1923, on the Committee on Nebulae and bibliographies, 1923-10-23

Hubble sent Slipher a formal recommendation for the Committee on Nebulae to sponsor and begin a bibliography on nebulae from 1877 onward. He also…

Tags: bibliography, Edwin Hubble, galaxies, galaxy, Nebula, nebulae, V.M. Slipher