Across
- 4. A small, frozen mass of dust and gas revolving around the sun.
- 5. A grouping of stars which have been given names by ancient astronomers because of the way they look.
- 7. A small object orbiting a larger one. There are many electronic objects that orbit the Earth.
- 8. A self-luminous object that shines through the release of energy produced by nuclear reactions at its core.
- 10. The gaseous area surrounding a planet or other body.
Down
- 1. A region of space around a very small and extremely massive object within which the gravitational field is so strong that not even light can escape.
- 2. When our view of one object in the sky is blocked by either another object or the Earth's shadow.
- 3. The system of planets and other objects orbiting the star Sol, which happens to be our Sun.
- 6. A light in the atmosphere caused by a meteor falling towards the Earth.
- 9. A rock, or Minor Planet orbiting the Sun.