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With Explore the Planets, investigate the planets, their moons, and understand the processes that shape them. By G. Jeffrey Taylor, Ph.D. See our DVD collection.

Maria Winkelmann Kirch

Maria Winkelmann Kirch was a German astronomer who lived between 1670-1720. She discovered the comet of 1702. She also published a paper in 1712 on the conjunction of Jupiter and Saturn.

Maria worked with her husband, Gottfried Kirch in making calendars and ephemerides (tables showing positions of the planets, Sun, and Moon).

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William Herschel

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF