Description: The Smithsonian Institution Archives recently acquired the papers of Ursula Marvin, a Smithsonian Astrophysical Observatory geologist who has studied meteorites and lunar samples.
Description: [caption id="attachment_3071" align="aligncenter" width="300" caption="Spiral Galaxy Messier 81 (M81), 2003, Spitzer Space Telescope / IRAC, NASA / JPL-Caltech / S. Willner, Harvard-Smithsonian CfA"][/caption] You may in fact be, or just feel like, a big shot down here on earth. But, ever since airborne cameras started to photograph our little planet from above, and once they
Description: Operation Moonwatch created an international network of dedicated and enthusiastic volunteer sky-watchers of both genders and from every walk-of-life. These citizen-scientists joined professional astronomers to track and report on satellites travelling through the night sky. Food and location played a role in keeping volunteers engaged with Operation Moonwatch.
Description: [caption id="" align="aligncenter" width="309" caption="The Smithsonian Astrophysical Observatory-Harvard College Observatory Radio Telescope is installed at Harvard University's George R. Agassiz Station, c. 1968 , by Smithsonian Astrophysical Observatory, Photographic print, Smithsonian Institution Archives, Record Unit 108, Box 2 1966-1971, Folder 5, Negative Number: