5. Which method tracks the lateral changes in the position and velocity of a star due to a planet's gravitational pull on it? a. transit method b. wobble method c. microlensing d. all of the above e. none of the above 6. Due to the many different methods that are available with modern knowledge and equipment, approximately _____ exosolar planets have been found. a. 1,000 b. 3,000 c. 9,000 d. 12,000 e. 15,000