Across
- 3. act in such a way as to have an effect on another; act reciprocally
- 5. a moving laboratory in space. It orbits Earth once every ninety minutes.
- 6. vehicle or device designed for travel or operation outside the earth's atmosphere
- 7. the galaxy that includes Earth’s Solar System
- 11. an instrument that shows faraway objects in greater detail
- 12. the physical universe beyond the earth's atmosphere
Down
- 1. all of the existing matter and energy in space
- 2. either a natural or human-made object that orbits another object
- 4. a collection of stars and their solar systems, dust, and gas
- 6. a system of objects in space that includes at least one star, planets, their moons, comets and other debris
- 8. a set of things working together as parts of a mechanism
- 9. a probe that can travel after it has landed. It’s a robotic vehicle remotely controlled to study the surface of a planet or moon
- 10. a kind of spacecraft that is launched from earth on a rocket and sends information back to Earth via radio signals
