Asteroid 433 Eros, Part 2

As explored in the previous post, asteroid 433 Eros was an area of major study at the turn of the 19th century. The first goal of studying Eros, in 1899, was to generate an accurate ephemeris for the asteroid. This feat was first accomplished by Chandler and Fleming of the Washburn Observatory for Eros in …

Spitzer Surveys Dozens of Near-Earth Asteroids

Asteroid 433 Eros, Part 1

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 NEAs in the solar system. …

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 page may appear to be …

Unified Astronomy Thesaurus

The Unified Astronomy Thesaurus (UAT) is an open, interoperable and community-supported thesaurus of astronomical and astrophysical concepts and their relationships.  It unifies existing divergent and isolated astronomy and astrophysics thesauri into a single high-quality, freely-available open thesaurus formalizing astronomical concepts and their inter-relationships.  We expect that the Unified Astronomy Thesaurus will be further enhanced and …