Tag archives for Gold
Posted by Scientists studying rock samples have evidence that gold was delivered to Earth’s surface by meteors! The evidence indicates that about 3.9 billion years ago, a huge “firestorm” of meteors brought gold and other precious metals to the planet.
Learn more about meteors and early days on Earth on National Geographic News.
Do you know your comet and meteor facts? Quiz Your Noodle and find out!
Photograph by Wally Pacholka, TWAN
