Postage Stamp for Pluto Discoverer Clyde Tombaugh

Astronomer Clyde W. Tombaugh discovered the planet Pluto on February 18, 1930. He was just 24 years old. Pluto was the only planet discovered in the twentieth century and the only one found by an Amer... continue reading »

1,000 signatures Goal: 5,000
All Signatures (1,000 total)
976.
Jacquelyn M 12 December 2000
977.
David Mckenzie 7 December 2000
978.
Brett P 6 December 2000

"Still a planet City and State B.C. Canada"

979.
Cathleen K 2 December 2000

"В City and State Camarillo, CA"

980.
Kaitlyn J 15 November 2000

"go tom! City and State lewiston id"

981.
Alexandra V 12 November 2000
982.
Juan F 11 November 2000
983.
Casey H 30 October 2000
984.
Nick M 26 October 2000

"В City and State Long Beach Ca"

985.
Monica R 20 October 2000
986.
James V 19 October 2000
987.
Analilia B 11 October 2000
988.
Joseph A 6 October 2000
989.
Alissia M 27 September 2000
990.
Kristal C 23 September 2000
991.
Leah M 20 September 2000
992.
Cris S 19 September 2000
993.
Amanda L 17 September 2000
994.
Mike L 16 September 2000

"GO BEAN GO CLYDE YEEEAHHH"

995.
Donald L 5 September 2000
996.
Shelly W 3 September 2000
997.
Brian Blackwell 28 August 2000
998.
Dena H 13 August 2000
999.
Katherine L 11 August 2000
1000.
David Km 7 August 2000
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