Talk:Vesto M. Slipher

message: To my mind Slipher doesn't get enough credit, obviously was influenced heavily by Lowell, but his observations were his own. The biggest reason why he didn't get the fame others have is because he was super humble and didn't publish his works in major journals. I took an interest in him since reading about the early evidence for the Big Bang since his work became the basis for measuring the speed of the expansion of the universe. The best biographical work I could find was this http://www.nasonline.org/publications/biographical-memoirs/memoir-pdfs/slipher-vesto.pdf, particularly:
In  1929  Hubble  derived  his  important  velocity-distancerelationship  for  nebulae  using,  as  he  later  wrote  Slipher,"your  velocities  and  my distances."120 Hubble  acknowledgedSlipher's  seminal  contribution  to  his  own  work  by  declaringthat  "the  first  steps  in  a  new  field are  the  most  difficult  andthe  most  significant.  Once the  barrier  is forced,  further  de-velopment  is relatively  simple."121
And for actually understanding his work, this presentation http://www2.lowell.edu/workshops/slipher/programv2/talks/slipher_thompson.pdf refer images therein.  I think it would be worth trying to pull this together succinctly. Linden (talk) 11:21, 4 July 2021 (UTC)
thread_title:  Biography 

message: The following should be removed as it is not about Vesto Slipher. I understand it is a reference to the impact of his work but that is made implicit by the linking in the previous paragraph. 
"Earlier, in 1917, Albert Einstein had found that his newly developed General Theory of Relativity indicated that the universe must be either expanding or contracting. Unable to believe what his own equations were telling him, Einstein introduced a cosmological constant (a "fudge factor") to the equations to avoid this "problem". When Einstein heard of Hubble's discovery, he said that changing his equations was "the biggest blunder of my life".[4]" Miglewis (talk) 13:05, 8 September 2008 (UTC)
thread_title: Extraneous information 

message: It is not clear to me which language the name "Slipher" is in and how he pronounced it.  —Preceding unsigned comment added by 86.160.202.155 (talk) 09:01, 24 September 2008 (UTC)
replies: text: It might be Skandanavian.  —Preceding unsigned comment added by 86.160.202.155 (talk) 09:57, 24 September 2008 (UTC)
thread_title:  Name 

message: Are the redshifts discovered by Slipher of cosmological significiance? The galaxies close from the Milky Way are not receeding. Even velocities of close receeding galaxies are still out of the distance-redshift relation. Does Slipher mesured the redshifts of galaxies at more than a few Mpc? RockSolidCosmo (talk) 08:54, 23 August 2010 (UTC)
thread_title:  Cosmological redshift - question 

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thread_title:  External links modified 

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thread_title:  External links modified 

message: In a book titled Hutchinson Trends in Science - Astronomy by Helicon Publishing, they mention some specific techniques in which Slipher discovers this movement. I added this in where it is discussed. Peeparoni (talk) 17:33, 3 March 2023 (UTC)
thread_title:  Specifics Regarding Spiral Nebulae Research 

message: — Assignment last updated by K8shep (talk) 18:02, 12 March 2023 (UTC)
thread_title: Wiki Education assignment: History of Science

message: I found in a detailed history book over astronomy and astrophysics a lot of references to the specifics of Slipher's work.  I will begin to add these discoveries into the Discoveries section. Peeparoni (talk) 20:26, 7 April 2023 (UTC)
thread_title:  Additions to Discoveries