Across
- 3. Cosmic object that orbits the sun and is made out of frozen gases, rock, and dust.
- 8. Giant inflatable ball of gas, a dwarf star, that radiates heat, radio waves, light, and solar wind.
- 10. Machine that orbits a planet or star, in the hope to find out information.
- 12. Measurement of the distance that a single beam of light can travel in an Earth year.
- 14. Cosmic object rotates a full circle around the sun, when they get back to their original place, a year is over.
Down
- 1. Blotch on the suns surface, caused by a sudden black contrast.
- 2. Rocky piece of metal that is the result when a meteor falls to Earth from outer space.
- 4. Celestial body orbiting a planet.
- 5. The result when a meteoroid, a small object of matter, comes from outer space and enters Earths atmosphere, from there it becomes very hot and appears as a shooting star.
- 6. Small rocky object orbiting the sun, often found between Mars and Jupiter.
- 7. Celestial body of mass that has cleared the neighbourhood, is orbiting the sun and has to have a lot of mass to make up its circle shape.
- 9. system Set of cosmic objects do a full orbit around a sun.
- 11. Brightly glowing ball of gas, that holds together by its own gravity, and is mostly made out of hydrogen and helium.
- 13. Billions of stars all held together by a gravitational pull.