Light and Dark Clips

1. The first discovery—Series 1, Dark

   Duration: 02:04

2. Dark energy—Series 1, Dark

   Duration: 04:07

3. Galactic rotation—Series 1, Dark

   Duration: 01:55

4. The dark ages of the Universe—Series 1, Dark

   Duration: 01:33

5. Galileo's observations—Series 1, Light

   Duration: 02:40

6. Speed of light—Series 1, Light

   Duration: 03:05

7. Perspective illusion—Series 1, Light

   Duration: 00:56

8. Trail: Light and Dark—Series 1

   Duration: 00:36