Jonathan Rodriguez
Across
- 5. massive stars
- 7. is a remnant of a supernova
- 9. is the fourth planet from the Sun
- 10. is the closest planet to the Sun
Down
- 1. is the next closest planet to the Sun, but is the
- 2. is the first of the outer planets, beyond Mars
- 3. is the third planet from the Sun
- 4. cools for eons until it is too cold to emit light
- 6. is a huge assemblage of stars, interstellar gas, and dust.
- 8. what remains when a supergiant star collapses into itself