The Bryant Park Project
<iframe src="http://www.npr.org/player/embed/15994477/15994409" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
Space enthusiast Tanli Sun witnessed the Discovery launch and has been following the mission closely. Before heading off to school, Sun, 15, talks about the risky job of repairing a solar shield and the joys of one of NASA's busiest missions ever.
NPR thanks our sponsors
Become an NPR sponsor