Browse Items (7 total)

Slipher, V. M., V. M. Slipher to Edwin Hubble, September 7, 1942, on Hubble's manuscript draft and multiple interpretations, 1942-09-07

Slipher thanks Hubble for sending him the draft of his paper on nebulae rotation and describes how he left some notes in soft pencil that Hubble could…

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

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, 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

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