Communications of the ACM
ACM Careers
Ceres: Keeping Well-Guarded Secrets For 215 Years
Giuseppe Piazzi used this instrument, called a Ramsden Circle, to discover Ceres on January 1, 1801. The telescope is on display at the Palermo Observatory in Sicily.
Credit: NASA/JPL-Caltech/Palermo Observatory
New Year's Day, 1801, the dawn of the 19th century, was a historic moment for astronomy, and for a space mission called Dawn more than 200 years later.
From Jet Propulsion Laboratory/NASA
View Full Article
No entries found