Bill Nye , the Science Guy on TV , also heads Planetary Society . Comment: Nye says the U.S. has unmatched expertise in landing spacecraft on other planets . Years before Bill Nye became the Science Guy , he was a mechanical engineering student at Cornell University , where he took a course with astronomer Carl Sagan . If America loses its edge , it could take decades to rebuild , Nye says .
Bill Nye , the Science Guy on TV , also heads Planetary Society . Comment: Nye says the U.S. has unmatched expertise in landing spacecraft on other planets . If America loses its edge , it could take decades to rebuild , Nye says .