Across
- 4. A very powerful explosion at the end of a star’s life
- 5. an object that orbits a planet
- 6. a body orbiting around the sun , with it's own gravity and it's own orbit
- 7. creation of te universe
- 9. a repeating path of one object around another one
- 11. the force that pulls all objects in the universe toward each other
- 12. the explotion of a star
Down
- 1. a body of hot gasses that makes it's own light and heat
- 2. A rotating disk of gas and dust around a young star where planets form
- 3. hot gas that comes from the sun
- 8. a big cloud of dust and gas between stars
- 10. A large planetary-sized object is thought to have struck the early Earth long ago, sending debris into orbit that later came together to form the Moon.
- 11. A galaxy is a huge collection of stars, gas, dust, and dark matter held together by gravity.