Across
- 4. made up of gas, dust, and billions of stars
- 5. a measurement used to measure the distance to Stars to galaxies in space
- 7. transmit radio waves
- 8. planets, moons,asteroids,comets,dust and gas that orbit the sun
- 9. spinning of planet on axis
Down
- 1. uses mirrors to focus on light rays which produces images in space
- 2. the galaxy in which you live in
- 3. uses convex lenses to bend and focus light rays for images in space
- 6. little rocks that burn when entering a planet's atmosphere
- 10. rise and fall of surface levels on earth due to gravitational effects