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HELIOCENTRIC THEORY II Johannes Kepler 1 oz Silver Coin Burkina Faso 2017

Johannes Kepler 1 oz Silver Coin w/ 3 martian meteorites Burkina Faso 2017

US $199.67
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DC202407
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This wonderful 1 Oz Silver coin is the second issue in the “Heliocentric Theory” series, dedicated to some of the most important and influential scientists in history. In this edition - Johannes Kepler. The coin features three different Martian meteorites inserts and comes in a colored themed case

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button-blank-200.jpgHeliocentric Theory
Heliocentrism, or heliocentricism, is the astronomical model in which the Earth and planets revolve around the Sun at the center of the Solar System. The word comes from the Greek (helios “sun” and kentron “center”). Historically, Heliocentrism was opposed to geocentrism, which placed the Earth at the center. The notion that the Earth revolves around the Sun had been proposed as early as the 3rd century BC by Aristarchus of Samos, but at least in the medieval world, Aristarchus's Heliocentrism attracted little attention—possibly because of the loss of scientific works of the Hellenistic Era. It was not until the 16th century that a geometric mathematical model of a heliocentric system was presented, by the Renaissance mathematician, astronomer, and Catholic cleric Nicolaus Copernicus, leading to the Copernican Revolution. In the following century, Johannes Kepler elaborated upon and expanded this model to include elliptical orbits, and Galileo Galilei presented supporting observations made using a telescope.

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The reverse of the coin depicts Johannes Kepler, one of the greatest supporters of Heliocentrism, over a coloured background with Mars. The reverse also features the meteorites NWA 7397, NWA 6234 and Tindouf 002. On the bottom of the reverse, the inscriptions: “THE HELIOCENTRIC THEORY II” – the name of the coin, “1OZ AG0.999” – the weight and the fineness of Silver and “2017” – the issue year. The obverse of the coin depicts the Coat of Arms of Burkina Faso and the inscriptions: “REPUBLIQUE DU BURKINA FASO” – the issue country and “1000 FFRANCS CFA” – the face value.

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Country Burkina Faso
Denomination 1000 FRANCS 
Year 2017
Quality Antique Finish
Material Silver  999/1000
Weight (g) 31.1 (1 oz)
Diameter 44 mm
Mintage pcs 500
Certificate (COA) Yes
Presentation case (box) Yes

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