Tag Archives: Astronomy

370 BC: Numberless Democrituses Like Himself

The pre-Socratic philosopher Democritus (c. 460 – c. 370 BC) believed in an infinite universe, and therefore in an infinite number of worlds. Some might be bigger or smaller than earth, he concluded; some might have more moons or suns, … Continue reading

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1750: Estimate

In 1750, astronomer Thomas Wright estimated the number of inhabited planets in the observable universe: Of…habitable Worlds, such as the Earth, all which we may suppose to be also of a terrestrial or terraqueous Nature, and filled with Beings of … Continue reading

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1966: I Am Your Greatest Fan

   I grew up in musical theater. To me, the highlight and the epitome of my life as a singer and actor and a dancer/choreographer was to star on Broadway. And as my popularity grew once [Star Trek] was on … Continue reading

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1973: First Strike in Space

On December 28, 1973, the crew of Skylab 4 went on strike, shutting off radio communications with NASA ground control to protest their grueling working conditions. The three astronauts—Gerald Carr, William Pogue, and Edward Gibson—left Earth on November 16, 1973, … Continue reading

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1978: The Far Side of the Moon

Desiree E. Stuart-Alexander: Geologic map of the central far side of the Moon (1978) [detail]; full map here. (source)

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1969: On the Moon

Thomas Schmagmeier made this map of the Apollo 11 landing site overlaid on a soccer field to give a sense of scale to the distances traveled by the astronauts. He also made a baseball version. (These are revised versions of … Continue reading

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1898: The Moon

This model of the moon—made of 116 sections of plaster on a framework of wood and metal—was prepared by Johann Friedrich Julius Schmidt for the Field Columbian Museum in Chicago;  the museum was located on the grounds of the World’s … Continue reading

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