Across
- 2. A natural satellite that orbits a planet.
- 4. The spinning of a planet on its axis, which causes day and night.
- 7. The angle at which a planet's axis is tilted, affecting its seasons.
- 9. The movement of a planet around the Sun, completing one full orbit.
- 10. The force that attracts objects toward each other, keeping planets in orbit around the Sun.
Down
- 1. A massive, luminous sphere of plasma, like the Sun, that generates energy through nuclear fusion.
- 3. The path a planet takes as it travels around a star.
- 5. A small rocky body that orbits the Sun, primarily found in the asteroid belt between Mars and Jupiter.
- 6. A celestial body that orbits a star and has cleared its orbit of other debris.
- 8. System The collection of the Sun and all the celestial bodies that orbit it, including planets, moons, asteroids, and comets.