Across
- 6. Probe reached the moon in 1959.
- 7. The U.S. and the Soviet Union launched something in space.
- 9. He makes an announcement that he wants to be the first ever man to be put on the moon.
- 10. First woman in space.
Down
- 1. The first successful artificial space satellite, by the Soviet Union.
- 2. First American in space.
- 3. A space probe that flies past Mars.
- 4. First human orbits the Earth.
- 5. U.S. launches their first ever satellite.
- 8. First manned moon landing.
