Tycho Brahe and Johannes Kepler | 第谷·布拉赫 和 约翰尼斯·开普勒

In today’s class we deviated from our normal computer work and went in further on one of the stories told by Terence Tao in the “Cosmic Distance Ladder” video.  This particular story was about Tycho Brahe and Johannes Kepler.

Statue of Johannes Kepler (left) and Tycho Brahe (right) in Prague

It was a very important story of data and analysis.

Tycho Brahe and Johannes Kepler had totally disparate backgrounds and temperaments.

In spite of this, Tycho’s painstaking and detailed observational data of the planet Mars, combined with Kepler’s mathematical genius, allowed Kepler to derive the three laws of planetary motion. Both Tycho Kepler’s 3 Laws of Planetary Motion and Kepler made significant contributions to the change in the prevailing world view of a geocentric universe. It was the beginning of a systematic study that transformed Medieval thinking – alchemy became chemistry and astrology led to astronomy.

https://chandra.harvard.edu/edu/formal/icecore/The_Astronomers_Tycho_Brahe_and_Johannes_Kepler.pdf

Link for those students who can read in Chinese:
https://baike.baidu.com/item/约翰尼斯·开普勒/973574?fromtitle=%E5%BC%80%E6%99%AE%E5%8B%92&fromid=158768

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