Obverse
A cone rises from the flat surface, representing the curvature of space-time
Lettering: SINGULARITAT
15 M
CYGNUS X-1
EREIGSHORIZONT
2022 REPUBLIK OSTERREICH 20 EURO
Reverse
The black hole vortex
Lettering: SCHWARZES LOCH
Extended information
Year
Denomination
Currency
Metal
Weight
22.4 g.
Diameter
34
mm.
Series
Space Traveling
Alignment
Medal ↑↑
Shape
Round
Edge
Plain
