NIOB | Life in Space 2022 | 25 Euro | Silver Coin

The Alien Coin: a modern, a colorful coin, a niobium coin that gets its special color through a technically sophisticated method. - By precisely controlling the oxidation, this process makes it possible to produce all conceivable shades of color through light refraction.

The coin images

On the value side: Is the violet-violet niobium core dominated by a giant alien looking at the earth like a cue ball.

In the left round you can read the famous Drake equation. It is supposed to help estimate how high the number of intelligent civilizations in the Milky Way could be.

In the niobium core of the other side are represented some of the factors that would favor life on other planets:_CO2 (carbon dioxide), a plant represents vegetation, _O2 (oxygen), clouds symbolize an atmosphere, _CH4 (methane), and water droplets.