Across
- 3. Center U.S. government center for space research
- 5. First animal to orbit Earth
- 7. Moonwatch Citizen science project for tracking objects in space
- 10. gap Perceived military advantage of the Soviet Union
- 11. rocket Soviet rocket designed for a Moon landing
Down
- 1. von Braun German rocket scientist
- 2. American rocket engine manufacturer
- 4. Canaveral Florida launch site
- 6. Ozma Search for extraterrestrial intelligence
- 8. American rocket used to launch Explorer 1
- 9. Rocket-powered aircraft