Across
- 4. – Soviet rocket engineer
- 7. – Early American satellite attempt
- 10. – Small electronic revolution
- 11. – U.S. President during Sputnik
- 13. – New TV innovation
- 14. – Soviet lunar probe series
- 15. – Polio vaccine developer
Down
- 1. – Signal transmission method
- 2. – Disease prevention breakthrough
- 3. – Booming entertainment medium
- 5. – First U.S. satellite
- 6. – First U.S. human spaceflight program
- 8. – Power and weapon technology
- 9. – U.S. space agency founded
- 12. – First artificial satellite