Search
Now showing items 1-5 of 5
Johann Kepler: Blueprints of the Universe
(2015)
Johann Kepler's "Mystery of the Universe" is rightly considered one of the brilliant illustrations in the history of astronomy. In it, Kepler used the five regular Pythagorean solids to refute the major objections to ...
Johan Schreck: Galileo's Friend in China
(2015)
Johann Schreck joined the Jesuit order in 1611, the same year that he used Galileo's telescope to observe the satellites of Jupiter. Upon becoming a Jesuit Schreck joined the Jesuit mission in China, taking with him a ...
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 ...
Pythagorean Solids: Five Regular Solids
(2015)
Throughout history the regular solids were a point of intrigue by astronomers, mathematicians, artists, and philosophers. The Pythagoreans proved that there are only five regular solids: the cube, triangle, octahedron, ...