Across
- 3. one of two ice giants in the outer solar system
- 7. someone who travels in space
- 8. a white or colored circle or set of concentric circles of light seen around a luminous body, especially around the sun or moon.
- 9. the fourth planet from the Sun
- 11. The smallest part of a substance that cannot be broken down chemically
- 12. a scientist who studies the stars, planets, and other natural objects in space.
- 13. an object that orbits a planet or something else that is not a star
Down
- 1. a massive ball made mostly of hydrogen and helium
- 2. the smallest planet in our solar system
- 4. dwarf planet located in a distant region of our solar system beyond Neptune known as the Kuiper Belt.
- 5. objects made of dust and ice that orbit the Sun
- 6. a gas giant and so lacks an Earth-like surface
- 7. small, rocky objects that orbit the Sun
- 8. An easily recognized group of stars that appear to be located close together in the sky and that form a picture if lines connecting them are imagined
- 10. a bowl-shaped depression, or hollowed-out area, produced by the impact of a meteorite, volcanic activity, or an explosion