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Category Archives: Astronomy

Asteroid 433 Eros, Part 1

Spitzer Surveys Dozens of Near-Earth Asteroids

On August 13, 1898, astronomers Gustav Witt and Auguste H.B. Charlois independently discovered an asteroid which would become a focal point of numerous studies throughout the next century, 433 Eros. Eros was the first near-Earth asteroid (NEA) to be discovered, crossing the orbit of Mars, and is amongst the largest…

Every Star Speaks for Itself

Every Star Speaks for Itself: Williamina Fleming and the Work of the Harvard College Observatory by Maria C. McEachern In collaboration with fellow John G. Wolbach Library colleagues:  Michael R. Blake, Amy L. Cohen, Christopher C. Erdmann and William L. Graves To those with merely a cursory interest, the marks on the…