8. If there is a force pulling the Earth toward the Sun why doesn't the Earth accelerate into the Sun? 9. Uncheck the \"gravity force" box. Use the slider to increase the mass of the Sun 1.5 times. Hit play again. What happens to the orbit of the Earth? 10. Notice how the orbit of the Earth became highly elliptical with the increased mass of the Sun. Move the Earth (click and drag) so that the orbit becomes more circular again? Describe what you had to do. 11. How many days it takes to make one orbit of the Sun now? 12. Since we measure a year as the time for one Earth orbit around the Sun, how old would a present day 25 year old be if this was the mass of the Sun? How did you calculate that