Amherst College / Foothill College / Haverford College / University of Arizona / University of Toronto / US space station / University of Michigan / William Keck Observatory / University of California / /
IndustryTerm
loose gas / lunch site / nuclear energy / sub-compact car / web link / gas tank / chemical elements / energy / astronomical systems / /
Movie
The Milky Way / /
NaturalFeature
Island of Hawaii / Mauna Kea / /
Organization
Education Office / University of California / Haverford College / National Center for Science Education / National Science Foundation / Toronto District School Board / Astronomy Education Board / University of Michigan / National Aeronautics and Space Administration / Astronomy Department / American Astronomical Society / University of Arizona / Amherst College / University of Toronto / Foothill College / Astronomical Society of the Pacific / /
Person
Robert D. Gehrz / Eugenie Scott / Edwin Hubble / George Greenstein / Roger Smith / Douglas Richstone / Andrew Fraknoi / Douglas Hayhoe / Christian Doppler / Susana Deustua / Chris Impey / Bruce Partridge / Crystal Tinch / John Percy / Robert Milkey / /
An Ancient Universe How Astronomers Know the Vast Scale of Cosmic Time A Guide for Teachers, Students, and the Public Published by the American Astronomical Society