Across
- 3. A huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. Our Sun is in a spiral one called the Milky Way.
- 7. A natural satellite of a planet; an object that revolves around a planet.
- 8. A star, especially one that has planets and other celestial bodies revolving around it. Many other solar systems have multiple, while ours has just one.
- 9. An instrument that allows people to see distant objects. Are important tools in astronomy, or the study of planets, stars, and other objects in outer space.
- 10. Any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night
Down
- 1. A landform that rises significantly above the surrounding area. Has prominence, steep sides and significant height above sea level and the surrounding area.
- 2. A procedure carried out to support or refute a hypothesis, or determine the efficacy or likelihood of something previously untried
- 4. A printed or online publication that provides readers with news and articles.
- 5. One of the very small parts of matter (as a molecule, atom, or electron)
- 6. All of space and everything in it including stars, planets, galaxies, etc.