Across
- 3. The smallest unit of matter
- 7. A region of space having a gravitational field so intense that no matter or radiation can escape
- 8. It includes all of space, and all the matter and energy that space contains
- 10. They live in your computer and are created by humans but even exceed the intelligence of their creator
- 11. A small rocky body orbiting the sun, usually found between Mars and Jupiter
Down
- 1. The notional environment in which communication over computer networks occurs
- 2. Using a device to travel across time, past or future
- 4. A celestial body moving in an elliptical orbit round a star
- 5. Duplicates
- 6. Space of more than three dimensions
- 9. An inorganic humanoid that carries out a set of instructions
- 11. They live in space and travel in UFOs