instruments and repair aging equipment / dark energy / extrasolar planetary systems / /
Organization
National Aeronautics and Space Administration / American Astronomical Society / /
Person
Andrew Feustel / Michael Griffin / Michael Good / Gregory C. Johnson / John Grunsfeld / Megan McArthur / J. Craig Wheeler / Michael Massimino / Scott Altman / /
Position
astronaut / President / DIRECTOR / astronomer / Administrator / /
DIRECTOR’S PERSPECTIVE NASA Commits to return to the Hubble Space Telescope M. Mountain, [removed]