Across
- 2. theory that interstellar clouds create groupings of stars
- 3. star that is bigger then most star
- 5. the farthest planets from the sun
- 8. young star that is still collecting mass
- 9. 4 closest planets to the sun
- 10. part of a massive stars life when they increase in size and brightness
- 11. part of a sun-like stars life when they collapse and become hot but faint
- 12. the part of a meteor that doesn't burn up and makes it to earth
Down
- 1. matter that exists between stars
- 4. small supernova remains which are very dense
- 6. part of a stars life cycle where they produce energy by gathering hydrogen and turning it to helium
- 7. small rock like objects that orbit the sun, mainly in a belt between mars and jupiter