By John Loci
Today in Astronomy History
March 9, 1497
Nicolaus Copernicus first recorded astronomical observation, a lunar occultation of the star Aldebaran.
March 9, 1959
First known radar contact is made with Venus
March 9, 1997
Due to an Eclipse, observers in China, Mongolia and Siberia can view the Comet Hale-Bopp during the day.
March 9, 2006
Liquid water found on Saturn's sixth largest moon, Enceladus.