astronomy

John Herschel – a Pioneer in Celestial Photography

John Herschel – a Pioneer in Celestial Photography

On March 7, 1792, English polymath, mathematician, astronomer, chemist, inventor, and experimental photographer Sir John Herschel was born. Herschel originated the use of the Julian day system in astronomy and named seven moons of Saturn and four moons of Uranus. He made many contributions to the science of photography, and investigated colour blindness and the chemical power of ultraviolet rays. Overall, he advocated an inductive approach to scientific experiment and theory building,…
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Grote Reber – Pioneer of Radio Astronomy

Grote Reber – Pioneer of Radio Astronomy

On December 22, 1911, American pioneer of radio astronomy Grote Reber was born. He combined his interests in amateur radio and amateur astronomy and became instrumental in investigating and extending Karl Jansky’s [4] pioneering work, who in August 1931 first discovered radio waves emanating from the Milky Way. Reber conducted the first sky survey in the radio frequencies and is considered one of the founding figures of radio astronomy. Born in Wheaton, Illinois, a suburb…
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The Almanachs of Benjamin Banneker

The Almanachs of Benjamin Banneker

On November 9, 1731, American almanac author, surveyor, naturalist and farmer Benjamin Banneker was born. Born in Baltimore County, Maryland, to a free African American woman and a former slave, Banneker had little formal education and was largely self-taught. Banneker’s knowledge of astronomy helped him author a commercially successful series of almanacs. He corresponded with Thomas Jefferson, drafter of the United States Declaration of Independence, on the topics of slavery and racial…
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