Science

 US #3314 pictures Franklinia, which Bartram discovered with his son.
March 23, 1699

Birth of John Bartram 

Botanist John Bartram was born on March 23, 1699, in Darby, Pennsylvania Colony.

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 US #1488 was issued for Copernicus’ 500th birthday.
February 19, 1473

Birth of Nicolaus Copernicus 

Nicolaus Copernicus was born on February 19, 1473, in Thorn, Poland.

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 US #3257-58 – Weather Vane make-up rate stamps.
February 9, 1870

Creation of the U.S. Weather Bureau

On February 9, 1870, Ulysses S. Grant created the US Weather Bureau.

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 U.S. #3187d from the Celebrate the Century: 1950s sheet.
January 31, 1958

Launch of Explorer I 

Late in the evening of January 31, 1958, the US launched its first satellite, Explorer I.

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 U.S. #953 was issued on the 5th anniversary of Carver's death.
January 5, 1943

Death of George Washington Carver 

Botanist and inventor George Washington Carver died on January 5, 1943, in Tuskegee, Alabama.

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 Uganda #489 honors Halley and the 1986 appearance of the comet.
December 25, 1758

First Predicted Sighting of a Comet

On December 25, 1758, Halley’s Comet became the first comet to be seen after the accurate predicting of its passage.

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2016 47¢ Venus
December 14, 1962

Mariner 2 Flies By Venus

On December 14, 1962, Mariner 2 became the first spacecraft to fly by Venus.

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 U.S. #3189a pictures the Blue Marble photo taken during Apollo 17.
December 11, 1972

Final Mission to the Moon 

On December 11, 1972, Apollo 17 became the last manned NASA mission to the Moon.

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2000 33c Edwin Powell Hubble
November 20, 1889

Birth of Astronomer Edwin Hubble

On November 20, 1889, one of the world’s most renowned astronomers, Edwin Hubble, was born.

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