The 1882 transit of Venus, photographed at Vassar College by Maria Mitchell and her students, a wider view showing the original handwriting on the photograph’s mount. (Special Collections, Vassar College Library)

Published October 19, 2015 at 458 × 500 in 1882 Transit of Venus

The 1882 transit of Venus, photographed at Vassar College by Maria Mitchell and her students, a wider view showing the original handwriting on the photograph’s mount. (Special Collections, Vassar College Library)