Across
- 4. A space rock that survives earthes atmosphere to reach the suface of the earth.
- 7. The sun and all the objects that orbit it due to gravity.
- 9. Made up of gas.
Down
- 1. The layer of gasses that surrounds a planet.
- 2. A ball of ice, dust, and gasses that leave behind a visible trail when close enough to the sun.
- 3. A massive shining sphere of plasma held together by gravity.
- 5. How far apart two objects are.
- 6. To spin around an axis.
- 8. To move around in a circular course.
- 10. The star at the center of the solar system.