Orion is Hiding Something Nobody Told You About

Constellation Stories

Williamina Fleming discovered the Horsehead Nebula #OnThisDay in 1888, one of the most recognizable deep-sky structures, located in the constellation Orion. The identification was made through the analysis of photographic plates taken at the Harvard College Observatory, where Fleming worked classifying stellar spectra. This discovery was part of an intense scientific career: Fleming catalogued thousands of stars, discovered numerous nebulae and star clusters, and made key contributions to the de