On Sept. 30, 1880, in a pioneering moment for astrophotography, amateur astronomer Henry Draper and his wife, Anna, captured the first image of the Orion Nebula. Though a medical doctor by trade, ...
On Sept. 25, 1644, Ole Roemer was born in Aarhus, Denmark. Beginning in 1662, he studied at the University of Copenhagen with physicist Erasmus Bartholin, who tasked him with editing the manuscripts ...