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

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All Signatures (1,000 total)

501.

Roland V 13 August 2008

"I support this petition"

502.

Jonathan Scott 30 July 2008

"I support this petition"

503.

Andrea Y 20 July 2008

"В City and State santa clarita, CA"

504.

J C 16 July 2008

"I support this petition"

505.

Douglas Pd 9 July 2008

"I support this petition"

506.

Laura C 2 July 2008

"I support this petition"

507.

Diana R 19 June 2008

"I support this petition"

508.

Kyle Gilmore 19 June 2008

"I support this petition"

509.

Rusty S 17 June 2008

"В City and State Redondo Beach, CA"

510.

David C 11 June 2008

"I support this petition"

511.

Michele Roach 11 June 2008

"I support this petition"

512.

Mari C 7 June 2008

"GO BEAN!!!!!!!!!!!!!!!! City and State Whittier CA"

513.

George T 2 June 2008

"I support this petition"

514.

Joshua P 24 May 2008

"I support this petition"

515.

Melissa M 17 May 2008

"I support this petition"

516.

Zachariah F 12 May 2008

"В City and State В"

517.

Geraldine S 9 May 2008

"I support this petition"

518.

Brooke Y 8 May 2008

"I support this petition"

519.

Benjamin S 27 April 2008

"I support this petition"

520.

Brianne B 23 April 2008

"I support this petition"

521.

Zachary H 19 April 2008

"В City and State La Puente, California"

522.

Hjm R 3 April 2008

"I support this petition"

523.

Gianna P 31 March 2008

"I support this petition"

524.

Angel R 24 March 2008

"I support this petition"

525.

L A 15 March 2008

"I support this petition"

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