On Sept. 1, 1804, German astronomer Karl Ludwig Harding peered through a 5-centimeter refracting telescope at a private observatory near Bremen, and discovered a celestial body he named Juno. Harding was part of the so-called Celestial Police. This group of astronomers had dedicated themselves to the search for the “missing planet” that the Titius-Bode law Continue reading "Sept. 1, 1804: Karl Harding spots 3 Juno" The post Sept. 1, 1804: Karl Harding spots 3 Juno appeared first on Astronomy Magazine .