idea
The expanding universe
In the 1920s Lemaître and Hubble found that distant galaxies move away from us, and the farther they are the faster they go. The simplest reading is that space itself is stretching, and that the universe was once much smaller and hotter.
Connects to
- Light takes time
- Lives of stars
- The cosmic web
- Why is there matter at all?
- Why did it all start ordered?
- What is dark matter?
- Why is expansion speeding up?
- What was there before?
- Deep time
- Religion and science
- Can science and religion meet?