Across
- 5. Sun, planets, moons, asteroids, comets, and other smaller objects that orbit the Sun.
- 8. Oval-shaped without defined spiral arms.
- 9. Have spiral arms that extend from a central bulge
Down
- 1. Most galaxies, including the Milky Way, have supermassive black holes at their centers with extremely strong gravitational forces.
- 2. Have no specific shape and may result from galactic collisions
- 3. between Mars and Jupiter
- 4. Our home galaxy
- 6. Most planets have natural satellites
- 7. massive systems consisting of stars, gas, dust, and other objects bound by gravity. Galaxies are massive systems consisting of stars, gas, dust, and other objects bound by gravity.
- 10. The Sun’s gravitational force keeps all planets and objects in the solar system .