Nine Planets
The Nine Planets: Asteroids
A plethora of information about Asteroids. This site provides lots of in-text links to information, pictures of asteroids, a table full of information about asteroids, as well as links to more information about asteroids.
Curated OER
Smithsonian Libraries: Scientific Identity: Giuseppe Piazzi (1746 1846)
A portrait of Giuseppe Piazzi from the Dibner Library of the History of Science and Technology, made available through the Smithsonian Institution's Scientific Identity Collection.