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 »
"В City and State California"
"В City and State Pomona, CA"
"Let's give this guy the credit he deserves! City and State LA, CA"
"Kevin and Bean rock the morning!"
"В City and State Ashland, Oregon"