Curious Kids: How do scientists work out how old the Earth is?
- Written by Alan Collins, Professor of Geology, University of Adelaide
It turns out that the world is about 4,600,000,000 years old. That's 4.6 billion years. That's pretty old!Marcella Cheng/The Conversation, CC BY-NC-NDThis is an article from Curious Kids, a series for children. The Conversation is asking kids to send in questions they’d like an expert to answer. All questions are welcome – serious,...