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

Sign this petition »

All Signatures (1,000 total)

926.

Rebecca M 20 September 2001

927.

Nicole B 20 September 2001

"В City and State В"

928.

Suzette H 19 September 2001

929.

Jackie M 18 September 2001

930.

Marc M 11 September 2001

"Pluto IS a planet! City and State San Francisco, CA"

931.

Debra B 9 September 2001

"I am a Scorpio City and State Chino Hills Ca"

932.

Sergio I 5 September 2001

"keep on smoking the buddah bean. o no u didnt! City and State leon guanajuato Mexico,"

933.

Robert P 30 August 2001

934.

Judith C 30 August 2001

935.

Lisa Mariec 18 August 2001

"Let's get him that stamp!!!! City and State Palmdale"

936.

Denise V 13 August 2001

937.

Rebecka B 9 August 2001

938.

Krystal G 1 August 2001

939.

Jason G 26 July 2001

940.

Sandie Tombaughe 14 July 2001

941.

Melissa Ford 2 July 2001

942.

Joshua W 2 July 2001

"Let the man have a stamp City and State Encino, CA"

943.

Elyse Daniels 27 June 2001

944.

Dave E 22 June 2001

945.

Corey C 22 June 2001

"A true explorer"

946.

Jonathan L 26 May 2001

947.

Oswaldo Dela 21 May 2001

948.

Laura S 18 May 2001

949.

Timothy Y 18 May 2001

950.

Yayo Rocha 10 May 2001

"Great man City and State Compton Ca"

« 1 ... 36 37 38 39 40 »