||We wrestle with all sorts of questions, such as:
These are big, complicated questions. A scientist might spend his whole career trying to answer just one little tiny part of one of them.
- What was the early Earth like when it first formed 4.5 billion years ago?
- Why does the Earth look the way it does?
- How did the Earth become habitable for creatures like ourselves?
- How does the interior of the Earth work?
- What causes changes in the climate of the Earth?