Description: We’re taking a glimpse into the work and life of Margaret Sordahl and other women at Smithsonian Astrophysical Observatory stations around the world.
Description: The Smithsonian has a history of eclipse-ready public programming! How the Smithsonian has worked with the public in 1972, and today, to help visitors view eclipses safely.
Description: It can be so frustrating to put great effort into something, and then to have your work and achievements called into question. I can't begin to imagine how frustrated Samuel Pierpont Langley was in 1903. By that time, he had spent over forty years studying astrophysics and aerodynamics. His work on astronomically-derived time measurement in the late 1860's is the heart of the
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