| 11. | Noble families of Northumberland, Warwick, and Orrery also showed him favour.
|
| 12. | A particular incident relates to Harvard's Great Orrery which was malfunctioning.
|
| 13. | The orrery still exists and is the world's oldest working planetarium.
|
| 14. | An orrery is a planetarium, a working model of the solar system.
|
| 15. | The Countess of Orrery died in London in November 1710, aged 62.
|
| 16. | In it, an Parliamentarian force under Roger Boyle, 1st Earl of Orrery.
|
| 17. | The Derby Orrery does not show mean distance, but demonstrated the relative planetary movements.
|
| 18. | Orreries are usually not built to Encke.
|
| 19. | There are six methods of building orreries:
|
| 20. | First opened in 1949, the planetarium was used to train orreries in the world.
|
