June 22 marks the 350th anniversary of the Royal Observatory Greenwich, the home of the historic Prime Meridian that is considered by many to be the birthplace of modern astronomy. To celebrate, we're ...

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This is the equatorial mount for for the George Dollond refracting telescope in the collection. It belonged to, and was given in memory of, Charles C. Carey (1903-1963), President of the General Radio ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...