Across
- 4. A space where there are no particles
- 8. Mercury orbits with the highest _______ of all the planets
- 9. Objects with this shape has less air resistance
- 10. Air resistance depends on the ____________area
- 11. Air resistance is a type of ______________ force
- 13. The only force acting on the planets
Down
- 1. The orbits of the planets, including Earth are in this shape
- 2. The force of gravity from the Sun that acts on a planet always acts ________ the Sun
- 3. the Sun's gravity gets _____________as the distance from the sun increases
- 5. resistance It is caused by a moving object having to push against the particles in the air
- 6. In ___________ there is no air resistance
- 7. It has the strongest pull from the Sun's gravity
- 9. it has the largest mass in the solar system
- 12. Air resistance is also known as _________