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The mosquito heart is a long muscular tube tethered to the dorsal cuticle (the mosquito’s back), extending the length of the abdomen. To obtain this fluorescence microphotograph, a mosquito was dissected, isolating the dorsal portion of the abdomen.…

Edward Emerson Barnard was known for his photographs of galaxies, especially after joining the University of Chicago's Yerkes Observatory. Each image took many hours of exposure. While clear skies in California made observations easy, in Wisconsin,…

Barnard moved to California in 1887 to inaugurate the new observatory at Mount Hamilton near San Jose. He discovered the first non-Galilean moon of Jupiter, Amalthea, in September 1892 over 275 years after Galileo's discoveries. Observatory staff…

While at Lick Observatory, Barnard was the first astronomer to discover a comet using photgraphic plates. In 1889, he became the first astronomer to observe the eclipse of Saturn's satellite Iapetus.

Barnard (center) worked for a Nashville photography studio from an early age. His boss and mentor J.W. Braid (on his left) gave him his first telescope. P.R. Calvert (on his right) introduced Barnard to his sister Rhoda; they married in 1881.

Edward Emerson Barnard worked in John H. Van Stavoren's Nashville photography studio as a nine-year-old. He had to keep this solar camera, designed to make life-sized enlargements on silvered paper from negatives, directed on the sun to avoid setting…

Barnard pioneered astrophotography as well as discovering 15 comets and the first non-Galilean moon of Jupiter. His astronomical photographs were published posthumously as A Photographic Atlas of Selected Regions of the Milky Way (1927) completed by…

While at Lick Observatory, Barnard was the first astronomer to discover a comet using photographic plates. In 1889, he became the first astronomer to observe the eclipse of Saturn's satellite Iapetus. His pioneering astrophotography and discovery of…

The six-month Tennessee Centennial and International Exposition attracted over one-and-a-half-million tourists to see the “Athens of the South.” Despite extensive railway promotion by W.A. Henderson and other railroad executives, attendance was low…

Today when a cellphone holds thousands of photographs, it’s easy to forget that holding a loved one’s image in your hand was until recently, impossible for all but the wealthy. This young woman, posing for her portrait, wears her corset laced to an…