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project:back_to_the_greek_universe [2019/09/15 22:17] – [Instructions] weibelth | project:back_to_the_greek_universe [2020/02/06 14:44] (current) – [Data] weibelth | ||
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[[https:// | [[https:// | ||
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Ptolemy placed the planets in the following order: | Ptolemy placed the planets in the following order: | ||
- Moon | - Moon | ||
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- Saturn | - Saturn | ||
- Fixed stars | - Fixed stars | ||
- | {{ : | + | {{ : |
[[https:// | [[https:// | ||
- | The ancient greeks believed in a geocentric system of the universe. The earth at the center, the planets going round in perfect circles: This is an enormous simplification. Ancient Greek astronomy invented a complex model which is astonishingly close to what we know today. | + | Claudius Ptolemy (~100-160 AD) was a Greek scientist working at the library of Alexandria. One of his most important works, |
- | Claudius Ptolemy (~100-160 AD) was a Greek scientist working at the library of alexandria. One of his most important works, the «Almagest», | + | Back to the Greek Universe is a VR model that rebuilds Ptolemy’s system of the universe on a scale of 1/1 billion. The planets are 100 times larger, the earth rotates 100 times more slowly. The planet orbits periods are 1 million |
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- | Back to the Greek Universe is a VR model that rebuilds Ptolemy’s system of the universe on a scale of 1/1 billion. The planets are 100 times larger, the Earth rotates 100 times more slowly. The planet orbits periods are 1 million faster than they would be according to Ptolemy’s calculations. | + | |
Back to the Greek Universe was coded and presented at the Swiss Open Cultural Data Hackathon/ | Back to the Greek Universe was coded and presented at the Swiss Open Cultural Data Hackathon/ | ||
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===== Instructions ===== | ===== Instructions ===== | ||
- | {{: | + | {{: |
- | + | * Point your smartphone camera towards the QR code, tap on the popup banner in order to launch into space. | |
- | This is how to fly Ptolemy' | + | * Turn around and discover the ancient greek solar system. Follow the planets' |
- | * Point your smartphone camera towards the QR code and launch into space. | + | * Tap in order to travel through space, in any direction you like. Every single tap will teleport you roughly 18 million miles forward. |
- | * Turn around and discover the ancient greek solar system. | + | * **Back home:** Point your device vertically |
- | * Tap in order to travel through space, in any direction you like. | + | * **Gods' |
- | * Look down and tap in order to fly back to earth. | + | |
- | * Look up and tap in order to overlook Ptolemy’s system of the universe from high above. | + | |
- | |This is how to fly Ptolemy' | + | The cockpit on top is a time and distances display: The years and months indicator gives you an idea of how rapidly time goes by in the simulation, the miles indicator will always display your current distance from the earth center (in million nautical miles). |
- | |1 | Point your smartphone camera towards the QR code and launch into space. | | + | |
- | | 2 | Turn around and discover | + | |
- | | 3 | Tap in order to travel through space, in any direction you like. | | + | |
- | | 4 | Look down and tap in order to fly back to earth. | | + | |
- | | 5 | Look up and tap in order to overlook Ptolemy’s system of the universe from high above. | | + | |
===== Data ===== | ===== Data ===== | ||
- | The data used include 16th century prints of Ptolemy' | + | The data used include 16th century prints of Ptolemy' |
[[https:// | [[https:// | ||
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* Richard Fitzpatrick: | * Richard Fitzpatrick: | ||
* John Cramer: [[https:// | * John Cramer: [[https:// | ||
+ | * Astrophysikalisches Institut Neunhof: [[https:// | ||
===== Version history ===== | ===== Version history ===== | ||
2019/09/07 v1.0: Basic VR engine, interactive prototype\\ | 2019/09/07 v1.0: Basic VR engine, interactive prototype\\ | ||
2019/09/08 v1.01: Cockpit with time and distance indicator\\ | 2019/09/08 v1.01: Cockpit with time and distance indicator\\ | ||
- | 2019/09/13 v1.02: Space flight limited to stars sphere, minor bugfixes | + | 2019/09/13 v1.02: Space flight limited to stars sphere, minor bugfixes\\ |
+ | 2019/09/17 v1.03: Planet ecliptics adjusted | ||
===== Media ===== | ===== Media ===== | ||
* Back to the Greek Universe [[https:// | * Back to the Greek Universe [[https:// |