Browse Items (49 total)

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, 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, Edwin Hubble to V. M. Slipher, August 2, 1940, on the requested spectrographs and related work, 1940-08-02

Hubble relates to Slipher that there is no rush to deliver the images and data as they are imposing on Slipher. He also relates that they are…

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

Slipher, V. M., V. M. Slipher top Edwin Hubble, July 30, 1940, in response to Hubble's catalog of spectrographic images, 1940-07-30

Slipher states he will supply the images and information that Hubble has asked for but asks for a call to discuss a due date that he can send them by.…

Tags: Edwin Hubble, spectrograph, V.M. Slipher

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, June 1, 1937, on the American Philosophical Society Grant and congratulations, 1937-06-01

Slipher wrote to Hubble to thank him for his recent letter and his assistance with the American Philosophical Society grant for a new planet search.…

Tags: appointment, Edwin Hubble, grant, new planet, V.M. Slipher

Hubble, Edwin, Edwin Hubble to American Philosophical Society Committee on Grants-in-Aid, May 28, 1937, on Slipher's search for a new planet, 1937-05-28

This is the copy of the letter Hubble sent in for the grant to search for a new planet. He emphasized that it would answer an important, ongoing…

Tags: Edwin Hubble, grant, new planet, V.M. Slipher

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