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Simon Marius - Windows to the Universe

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Learn about planets outside our solar system through Exoplanets and Alien Solar Systems by Tahir Yaqoob, Ph.D., a book in our online store book collection.

Simon Marius

Simon Marius was a German astronomer who lived between 1573-1624. He made observations of the heavens with a telescope, and every year, he published tables of the locations of the stars and planets. Although Marius named the four moons of Jupiter, it is believed that Galileo discovered them first.

Due to his strong religious beliefs, Marius never accepted the Copernican model of the universe.


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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