Across
- 4. huge balls of glowing gas that produces heat and light
- 5. the path planets, comets and asteroids take around the sun
- 6. the force that pulls all objects towards one another
- 7. heat and light
- 8. a huge group of billions of stars, gas and dust
- 11. As the mass of an object increases, the force of gravity ____.
- 12. the shape of our galaxy
- 13. everything that exists\
- 14. Our sun is the most___obect in our solar system.
Down
- 1. a star, planets, moons and comets make up this celestial group of objects
- 2. anything that has mass and volume
- 3. As the distance between objects increases, the force of gravity ___.
- 5. these planets are the most massive, have no solid surface and are furthest from the sun.
- 9. these planets are the least massive, have solid surfaces and are closest to the sun.
- 10. the name of the closest star to Earth
- 14. the name of our home galaxy