idea
Deep time
The Earth is about 4.5 billion years old. Layers of rock, read like pages, gave people a way to feel the age. James Hutton and later geologists made it a measurable thing.
Connects to
- Earth
- Evolution
- How life began
- Plate tectonics
- The arrow of time
- The expanding universe
- How did life begin?
- Can we feel deep time?