BLACK HOLE Uncharted Universe Silver Coin 20€ Euro Austria 2022
This wonderful Silver coin is the second release of the “Uncharted Universe” series, dedicated to a total of three physical-astronomical phenomena, each shaped in a unique form. In this edition – the Black Hole. The black hole vortex phenomenon is illustrated on the coin’s reverse in the shape a funnel decorated with a colour-printed spiral. On the coin’s obverse, a cone rises from the flat silver surface, representing the curvature of space-time. ‘Cygnus X-1’, the name of the first black hole to be named as such, is written to the right under ‘15 M☉’, the solar mass of this black hole. In German, ‘Event horizon’ marks the boundary between the observable and the unobservable in space-time, while ‘Singularity’ points to the location of maximum space-time curvature. It comes in a case, along with the Certificate of Authenticity. Limited Mintage of 30.000 pieces worldwide!
- Face Value
- 20 Euro
- Silver 925/1000
- Diameter (mm)
- Weights (g)
- 2/3 Oz
- Mintage (pcs)
- Certificate COA
- The Uncharted Universe
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