Across
- 4. Two spacecraft launched in 1977 to explore the outer planets; now in interstellar space.
- 7. A modern observatory launched in 2021 to study the early universe, exoplanets, and galaxy formation.
- 8. The first human in space, launched by the USSR aboard Vostok 1 in 1961.
- 10. A tragic mission that ended in a deadly cabin fire during testing in 1967, killing three astronauts.
- 11. The first person to walk on the Moon during Apollo 11 in 1969; known for the quote, “That’s one small step for man, one giant leap for mankind.”
- 13. The first American to orbit Earth, completing three orbits aboard Friendship 7 in 1962 during Project Mercury.
Down
- 1. The first artificial satellite, launched by the Soviet Union in 1957, triggering the Space Race.
- 2. (National Aeronautics and Space Administration) – The U.S. agency founded in 1958 to lead space exploration efforts.
- 3. – An instrument that magnifies distant objects by collecting light; Galileo used it to discover Jupiter’s moons, the Moon’s surface, and phases of Venus.
- 5. – The U.S.'s first human spaceflight program, aimed at putting a man in orbit.
- 6. Follow-up to Mercury, it tested key skills like spacewalking and docking to prepare for Moon missions.
- 9. NASA’s current Moon exploration program aiming to return humans to the lunar surface and prepare for Mars missions.
- 12. The NASA mission that landed the first humans on the Moon in 1969.
