We went to university together https://rs-india.com/inderal-40-mg-tablet-uses-in-hindi-ahdv inderalici 20 mg An Earth-sized planet orbiting a star about the same distance that Earth is from the sun would take a year to pass under Kepler's gaze. Scientists want three or four years' worth of data to be sure a change in the amount of light coming from a target star is due to a passing planet and not an eclipsing neighbor star, a stellar flare or some other phenomena.