The Age of Zircon Nanocrystals in Lunar Rock Reveals Moon’s Formation at Least 4.46 Billion Years Ago
A new look at the age of zircon nanocrystals in a lunar rock sample brought back by a 1972 NASA mission revealed that the moon formed at least 4.46 billion years ago, the server wrote New Scientist. Apollo 17 was the last space flight during which a human stepped onto the surface of our natural … Read more