RT @RonBaalke: On this day in 1977, Charles Kowal discovered the 1st Centaur object, Chiron.
Chiron would later be classified als… twitter.com/i/web/status/7…
RT @RonBaalke: On this day in 1977, Charles Kowal discovered the 1st Centaur object, Chiron.
Chiron would later be classified als… twitter.com/i/web/status/7…