l_COL_941a.jpg

Pluto orbit work
Application for research grant from Carl Lampland to Arthur Grad (Dept. of the Navy), March 27, 1951

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Recently Added Items

Slipher, E. C., Pluto - Computations of Circular Orbit #78

ECS_WP_B8_F11.pdf

Slipher, E. C., Pluto - Computations of Circular Orbit #78, 1930

Pluto - Computations of Circular Orbit #78

Slipher, E. C., Pluto-Computation of his Orbit (Elliptic Elements) (No Assumptions) #89

ECS_WP_B8_F10.pdf

Slipher, E. C., Pluto-Computation of his Orbit (Elliptic Elements) (No Assumptions) #89, 1930-1932

Pluto-Computation of his Orbit (Elliptic Elements) (No Assumptions) #89

Slipher, E. C., Trans-Neptunian Planet #77 Notes, Media, and Correspondence

ECS_WP_B8_F9.pdf

Slipher, E. C., Trans-Neptunian Planet #77 Notes, Media, and Correspondence, 1930-05

Trans-Neptunian Planet #77 Notes, Media, and Correspondence. Address given at University of Arizona Meeting of AAAS, May 1930.