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Maria Cunitz: Kepler's Defender
(2015)
Maria Cunitz was one of the first astronomers to adopt Johann Kepler's astronomy. She made Kepler's achievement easy to grasp, and demonstrated that Kepler's laws were more accurate than anything that had come before. This ...
Elisabeth Hevelius: Observational Astronomer
(2015)
Elisabeth Hevelius, wife of Johann Hevelius, was an astronomer in her own right. They worked together in the observatory of their Gdansk home to measure angular widths and distances with a great sextant, which required two ...