Does Jupiter Have a Solid Surface?

Does Jupiter Have a Solid Surface?

When I was little, we had nine planets, and Pluto was one of them. But things have changed a lot since then, and the science has evolved. We have new planetary photos from the Voyager, and we’ve acquired a lot more knowledge about celestial objects. Based on the information from satellites and telescopes, does Jupiter … Read more

Are Olympic Medals Solid Gold?

Are Olympic Medals Solid Gold?

You may have seen some excited athlete on the podium during a medal ceremony. And maybe in a cheeky moment – sometimes through pressure from the press – they bite their medal. It’s a common trick to see whether gold is real. So … are Olympic medals solid gold? Before 1912, yes. After that, gold … Read more