Across
- 2. Of, or relating to, the Sun
- 4. National Aeronautics and Space Administration
- 6. The fifth largest planet from the Sun and the largest in the Solar System
- 8. The farthest-known solar planet from the Sun
- 9. The galaxy that includes the Solar System
- 12. A scientist who studies the stars, planets, and other natural objects in space
- 15. A celestial body that orbits the sun and has a spherical shape, but is not large enough to disturb other objects from its orbit
- 16. The total or partial obscuring of one celestial body by another
- 17. American former astronaut, engineer, and fighter pilot who made three spacewalks
- 18. A regular, repeating path that one object in space takes around another one
- 19. A place where gravity has become so strong that nothing around it can escape, not even light
- 21. An astronaut of the Soviet or Russian space program
- 22. A group of stars in the sky that make up a certain pattern
Down
- 1. A space vehicle
- 3. A small, rocky object that orbits the Sun, much like a planet
- 4. The first person to walk on the moon
- 5. 186,282 miles per second
- 7. The whole of all matter, energy, planets, galaxies, and space
- 10. The first Indian-born woman in space
- 11. A place equipped for observation of natural phenomena
- 13. An American engineer, physician, and former NASA astronaut who became the first black woman in space
- 14. A giant cloud of dust and gas in space
- 20. A point in the year when day and night are equally as long