Ridgely G
Across
- 5. is fused to helium by thermonuclear fusion in the Sun's core
- 6. ___is the nearest star to Earth.
- 8. mars is a little more than half the size.
- 10. The Sun and planets formed together from a cloud of gas and dust a ____
Down
- 1. is the first of the outer planets, beyond Mars.
- 2. Jupiter has 4 ______
- 3. is the fourth planet from the Sun
- 4. ____ is after venus
- 7. _____is the last planet
- 9. ___ giants are Jupiter Saturn Uranus and Neptune