Horizon Secrets of the Solar System (1964– ) Online
- Original Title :
- Secrets of the Solar System
- Genre :
- TV Episode / Documentary
- Year :
- 1964–
- Directror :
- Toby Macdonald
- Cast :
- Ruth Wilson,Scott Bolton,Marek Kukula
- Type :
- TV Episode
- Time :
- 50min
- Rating :
- 7.1/10
New planets are now being discovered outside our solar system on a regular basis, and these strange new worlds are forcing scientists to rewrite the history of our own solar system. Far from a simple story of stable orbits, the creation of our solar system is a tale of hellfire, chaos and planetary pinball. It's a miracle our Earth is here at all.
| Episode credited cast: | |||
 | Ruth Wilson | - | Herself - Narrator (voice) |
| Rest of cast listed alphabetically: | |||
 | Scott Bolton | - | Himself - Southwest Research Institute, San Antonio (as Dr Scott Bolton) |
 | Marek Kukula | - | Himself - Royal Observatory Greenwich (as Dr Marek Kukula) |
| Hal Levison | - | Himself - Southwest Research Institute, Boulder (as Dr Hal Levison) |
| David Nesvorný | - | Himself - Southwest Research Institute, Boulder (as Dr David Nesvorný) |
| Kevin Walsh | - | Himself - Southwest Research Institute, Boulder (as Dr Kevin Walsh) |
 | Christopher Watson | - | Himself - Queen's University Belfast (as Dr Christopher Watson) |