Gold is definitely useful for building the spacecraft going to Mars though. They cover the entire spacecraft in the stuff. It might be too useful for Mars to u

Gold is definitely useful for building the spacecraft going to Mars though. They cover the entire spacecraft in the stuff. It might be too useful for Mars to use as reserve! https://www.itmtrading.com/blog/aerospace-gold-the-next-frontier/ https://www.itmtrading.com/blog/aerospace-gold-the-next-fron... https://www.geek.com/news/geek-answers-why-does-nasa-use-so-much-gold-foil-1568610/ https://www.geek.com/news/geek-answers-why-does-nasa-use-so-...