Across
- 4. a large spacecraft in orbit around Earth
- 7. uses lenses to gather and focus light to provide a magnified view
- 8. robotic space explorer devices that can be programmed to carry out tests, land on a planet, explore and test the surface, and send the information back to Earth
- 9. devices sent with no human pilot to another celestial body to gather information
- 10. a system used for transporting materials and astronauts into space
Down
- 1. device that can view wavelengths and other energy that is not visible to the human eye
- 2. anything that orbits around something else
- 3. an apparent shift of an object against the stationary background that is caused by the change in position of observation
- 5. a technique that involves measuring two angles and the length of a baseline to determine the distance to any object from a visible distance
- 6. explosive fuels the body of a rocket is filled with to combine to create this force that pushes against the rocket, causing it to move