Podcast
Ep6: Astronomer
February 15, 2020
Today's story is about the very first chapter of physics, that is still valid today. This very chapter depicted correctly and exactly, how celestial bodies travel through space, for the first time. And it was written four centuries ago inside an incospicuous house, nearby the old bridge. The beauty of the story – it weaves through the whole old town and castle. And the story is as incredible as the places it touched.

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1. Curves
It looks like the house that was built in Kepler's time, are likely to have merit in his great discovery. Or could all the curves of the courtyard have no impact on the imagination of the beautiful mind of this John?
2. Turn left!
This house is like his famous inhabitant – never really asking for attention. A few sharp edges and fractions of sgrafitto reveal its reneissance origin. It is a treat to turn from the busy streat – it is the main approach to the old bridge of Prague – and get lost in its passage.
3. Balcony
Back in 1600, when the light polution was not an issue, two shadows used to be seen on the balcony of the new garden villa. The example of the most fruitful scientific cooperation in the time before science, took place on the greatest occurence of reneissance masonry north of Apennines.
4. Memorial
Brahe was the greatest observer of all times. He was proud and jealous about other astronomers' ideas and kept his nearly perfectly exact observations locked – together with his excellent sextants. Kepler was a man of ideas, letters and papers – just like on the Brahe-Kepler memorial nearby the castle quarters.
5. Look down!
The Prague Astrological Clock was a technical wonder of its time. There is nearly everything on the space dial - everything except the planets. To the great disapointment of horoscope devotees. How the planets move, how to predict their future positions on the ecliptic? That was the million-tolar question of the time.
6. Look up!
Under this beautiful ceiling marking the Gothic–Renaissance meeting point, merchants of the most luxurious goods had their stands. New books were the most luxurious goods around 1600 and Kepler kept comming everyday to check the breakthrough in his field. But it was himself, the Emperors Astronomer, who made the breakthrough and proved Copernicus new paradigma right. He never got the wage for his discoveries and died in fever, after chasing the court over Europe with unpaid bills in his hands.
7. Ubi materia
That was Kepler's maxima. He believed in God. But his God's mind was geometrical. Kepler sought geometry in about everything. Even in the snowflake – he is the author of the very first treatise on the snowflake crystalic structure, discovering its hexagon structure (and anticipating our logo). Thank you, Mr. Kepler!
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