Browse Items (39 total)

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

Slipher, V. M., V. M. Slipher to Edwin Hubble, August 4, 1932, on his spectrographic observations, 1932-08-04

Slipher, in response to Hubble's query, confirms that he has been using a spectrograph to observe nebula rotation and velocity but had to change out…

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

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, April 11, 1930, on nebulae velocity results, 1930-04-11

Hubble requests that Slipher send his unpublished values on radical velocity of extra-galactic nebulae so he can compare them to general results he…

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

Hubble, Edwin, Edwin Hubble to V. M. Slipher, December 20, 1927, on current work related to nebulae and star clusters, 1927-12-20

Hubble answers Slipher's question from his December tenth (10th) letter as to how his work is progressing by describing some of his findings and…

Tags: Edwin Hubble, galaxies, galaxy, Heber Doust Curtis, Knut Lundmark, Nebula, nebulae, V.M. Slipher

Slipher, V. M., V. M. Slipher to Edwin Hubble, December 10, 1927, on committee meeting reports and surveys, 1927-12-10

Slipher referring to a letter from Dr. Dugan about preparing a report for the New Haven meeting of the Committee on Nebulae and Star Clusters, and…

Tags: committee, Edwin Hubble, galaxies, galaxy, Nebula, nebulae, Raymond Smith Dugan, survey, V.M. Slipher

Slipher, V. M., V. M. Slipher to Edwin Hubble, December 10, 1927, on Committee on Nebulae and Star Cluster work and meetings, 1927-12-10

Slipher enclosed a letter to the committee and apologizing for the significant delay on the work on nebula and star cluster investigation, with…

Tags: Carl Otto Lampland, committees, Edwin Hubble, galaxies, galaxy, Nebula, nebulae, 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

Slipher, V. M., V. M. Slipher to Edwin Hubble, May 8, 1926, on sub-committees and work assignments, 1926-05-08

Slipher recounts to Hubble that, as Hubble knows, the Commission on Nebulae and Clusters meeting in Cambridge did not turn out ideally but…

Tags: Edwin Francis Carpenter, Edwin Hubble, galaxies, galaxy, Harold Knox-Shaw, John H. Reynolds, Nebula, nebulae, V.M. Slipher

Slipher, V. M., V. M. Slipher to Edwin Hubble, May 22, 1925, on adding sub-committees to the Commission of Nebulae and Clusters, 1925-05-22

Slipher suggests a number of sub-committees to the Commission of Nebulae and Clusters, especially in the light of creating a Commission of Clusters…

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