| | Astronomy People : Starshine.com |
 | | Piazzi established the Palermo Astronomical Observatory in 1790, published a catalogue of the stars (1803, 1814) and discovered and named the first minor planet, Ceres. |
| | Hertzsprung published his first major papers on the existence of giant and dwarf stars while working at a private observatory. |
| | While working at the Harvard College Observatory on a survey of Cepheid variable stars (stars the luminosity, or brightness, of which varies in an extremely regular manner) she discovered (1912) that the Cepheids having the greatest average brightness also had the longest periods of variation. |
| www.starshine.com /frankn/astronomy/people.asp |
