Ceres: Keeping Well-Guarded Secrets for 215 Years
https://solarsystem.nasa.gov/news/590/ceres-keeping-well-guarded-secrets-for-215-years/
WebJan 26, 2016 · Ceres: Keeping Well-Guarded Secrets for 215 Years – NASA Solar System Exploration. News | January 26, 2016. 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.
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