Two planets on the beach
How big is Mars in relation to Earth? When making such a comparison, it’s always a good idea to include objects that everyone knows. At the beginning of this century, I sometimes put a two euro coin and a euro cent on the table as a scale model. The Earth is the two euro coin and Mars is the cent. And to extend the analogy a little further: Pluto is the little sphere on the cent. But since 2006 Pluto is officially no longer a planet. And I think it was about the same time that the euro cent disappeared… Read More