Today in the History of Astronomy | Page 12 of 23 | Astronomy.com

Today in the History of Astronomy

Oct. 18, 1977: The enigma of Chiron

Human Spaceflight, Today in the History of Astronomy

Oct. 17, 1956: Birth of Mae Jemison

Robotic Spaceflight, Today in the History of Astronomy

Oct. 16, 1975: The first GOES satellite launches

Robotic Spaceflight, Today in the History of Astronomy

Oct. 15, 1997: Cassini-Huygens launches

Today in the History of Astronomy

Oct. 14, 1947: Flying faster than sound

Today in the History of Astronomy

Oct. 13, 1773: The discovery of the Whirlpool Galaxy

Human Spaceflight, Today in the History of Astronomy

Oct. 12, 1964: Voshkod 1 sends the first crew to space

Human Spaceflight, Today in the History of Astronomy

Oct. 11, 1968: Apollo 7 launches

Today in the History of Astronomy

Oct. 10, 1846: The discovery of Triton

Today in the History of Astronomy

Oct. 9, 1873: The birth of Karl Schwarzschild

Today in the History of Astronomy

Oct. 8, 1873: The birth of Ejnar Hertzsprung

Today in the History of Astronomy

Oct. 7, 1959: The first photos of the Moon’s farside are taken.