Across
- 3. small, round space object that orbits the Sun but isn’t big enough to clear other objects from its path (2 words)
- 9. small, rocky planets: Mercury, Venus, Earth, and Mars(2 words)
- 12. – giant shell of icy objects far, far away from the Sun, thought to be the source of many comets (2 words)
- 15. powerful space telescope that helps us see deep into the universe (3 words)
- 16. distance light travels in one year — super far! (about 9.5 trillion km)(2 words)
- 17. Star at the centre of our Solar System that gives Earth light and heat.
- 18. galaxy that contains our Solar System (2 words)
- 20. Icy space objects that form glowing tails when they get close to the Sun.
- 22. spot in space where gravity is so strong that not even light can escape(2 words)
- 23. Everything that exists: space, time, stars, galaxies, and planets.
- 24. group of stars that form a pattern or picture in the sky.
Down
- 1. giant lab orbiting Earth where astronauts live and do experiments (3 words)
- 2. Space objects that orbit the Sun beyond Neptune, like Pluto and Eris (3 words)
- 4. region between Mars and Jupiter filled with rocks and small objects called asteroids (2 words)
- 5. large, round object that orbits a star, like Earth around the Sun.
- 6. Small bits of rock or dust that burn up as they fall through Earth’s atmosphere.
- 7. big gas planets: Jupiter, Saturn, Uranus, and Neptune (2 words)
- 8. Another name for meteors — they look like stars streaking across the sky (2 words)
- 10. massive explosion that happens when a big star dies.
- 11. Robots that explore the surface of other planets or moons.
- 13. star near the end of its life that expands and becomes very large and cool (3 words)
- 14. huge collection of stars, planets, gas, and dust held together by gravity.
- 18. natural satellite that orbits a planet.
- 19. zone beyond Neptune full of icy objects, including dwarf planets like Pluto(2 words)
- 21. meteor that survives its fall through the atmosphere and lands on Earth.