Browse Items (39 total)

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, 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

Hubble, Edwin, Edwin Hubble to V.M. Slipher, April 4, 1923, on the nebulae report for Schlesinger and his work about nebulae, 1923-04-04

Hubble discusses the abstract Slipher had requested and describes the trouble he had defining the topic for general readers who are not familiar with…

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

Slipher, V. M., Letter from V. M. Slipher to Edwin Hubble, February 15, 1922, discussing a report on nebulae, 1922-02-15

Slipher requesting Hubble's assistance and expertise with nebulae for a report to the International Astronomical Union. Includes suggestions for…

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

Hubble, Edwin, Slipher's Velocities

A list of velocities observed by V. M. Slipher in relation to nebulae/galaxies' movement to compare with Slipher's and Hubble's respective…

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

Hubble, Edwin, The Classification of Nebulae manuscript, 1923-07-23

A manuscript on the measurements and classification of nebulae types. Includes handwritten notes by the authors.

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