Ceres: Keeping well-guarded secrets for 215 years
Tuesday, January 26, 2016 - 15:56
in Astronomy & Space
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. That night, Giuseppe Piazzi pointed his telescope at the sky and observed a distant object that we now know as Ceres.