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Across 4. Collects and focuses visible light to create a magnified image a distant object. 8. To orbit Earth at the same rate that Earth is rotating. 10. Anything that orbits around anything else. ie. our Moon. 12. Technology that was originally intended for use in space but is now often used on Earth. ie.freeze-dried foods and sunglasses.

Down 1. A laboratory located in space, orbiting the Earth. 2. Robotic devices used to explore and test the surfaces of planets. 3. A system used for transporting things into space. 5. The idea that an extraterrestrial environment (such as Mars) can be changed to copy that of the Earth to make it habitable. 6. The force that pushes against a rocket, making it move. 7. The condition of weightlessness experienced by all objects in space. Very weak gravity. 9. A two armed robot that attaches to Canadarm 2. 11. A device sent without a human pilot to gather information from a celestial body.