Browse Items (41 total)

Pluto

NASA/JHUAPL/SwRI 2015-07-14

Telegram to Clyde Tombaugh from his parents

Tombaugh, Muron 1930-03-14

Discovery of Pluto
Letter from James Stokley to Carl Lampland, August 11, 1930

Stokely, J. 1930-08-11

Discovery of Pluto
Letter from Carl Lampland to James Stokley, August 5, 1930

Lampland, C.O. 1930-08-05

Discovery of Pluto
Letter from James Stokley (Science Services, Inc.) to Carl Lampland, July 29, 1930

Stokely, J. 1930-07-29

Credit for the discovery of Pluto
Letter from Carl Lampland to Clyde Tombaugh, May 18, 1933

Lampland, C.O. 1933-05-18

Effects of the Great Depression
Lowell Observatory Personnel Update
Letter from Carl Lampland to James H. Worthington, December 19, 1933

Lampland, C.O. 1933-12-19

Blink Comparator
"Want to discover Planet X? You'll need these three tools"
Article in Astronomy Magazine by Kevin Schindler, May 20, 2015

Kevin Schindler

Astronomy Magazine 2015-05-20

Pluto orbit work
"Where Is Pluto?" by Marc Buie
Article in New Horizons
NASA’s Mission to Pluto and the Kuiper Belt
News Center – Science Shorts
Insights from members of the New Horizons Science Team, August 8, 2014

Buie, Marc 2014-08-08

Discovery of Pluto
Letter from Carl Lampland to C.A. Robert Lundin, April 19, 1930

Lampland, Carl O. 1930-04-19