Description: Link Love: a weekly post with links to interesting videos and stories about archival issues, technology and culture, and Washington D.C. and American history.
Description: The Smithsonian Institution Archives YouTube channel has a new dedicated playlist for the Science Media Group Collection, which features videos from the Smithsonian Astrophysical Observatory program that was active from 1989 to 2013.
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:
Description: The term “personal equation” came into use in the 19th century as scientists found that observers have inherent biases: some anticipate events, and some report events after they have occurred. Recognition of the problem led to a spate of personal equation instruments: some measured biases of this sort, and some reduced the effect of personal errors. Most of these
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: On the evening of October 1, 1847, while using a small telescope on the roof of the family home, Maria Mitchell (1818-1889) spotted a comet where one had not been before. Word of this achievement spread quickly through the scientific community. The American Journal of Science declared her “the first American entitled to the honor of the original discovery of a comet.” Some