Science Fair Project Encyclopedia
Frederik Kaiser
Frederik Kaiser (June 10, 1808 – July 28, 1872) was a Dutch astronomer.
He was director of the Leiden Observatory from 1838 until his death.
He is credited with the advancement of Dutch astronomy through his world-class scientific contributions of positional measurements, his successful popularization of astronomy in the Netherlands, and by helping to build a state-of-the-art observatory in 1861 (Today it is known as the "Old Observatory").
He made a series of drawings of Mars at its opposition in 1862 and made a fairly precise determination of its rotational period.
A crater on Mars and on the Moon are named in his honor.
In Richard Proctor's now-abandoned Martian nomenclature, Syrtis Major was called the "Kaiser Sea". This nomenclature was later dropped in favor of the one introduced by Giovanni Schiaparelli.
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