Peruse this profile of the man credited for predicting the position of a planet beyond Uranus, which was later named Neptune.
Examine a concise overview of this 19th-century astronomer's career.
Check out an encyclopedia article regarding this Greek astronomer who first proposed that the earth revolved around the sun, not vice versa.
View a biographical encyclopedia excerpt regarding this influential astronomer and mathematician of ancient India.
Presents a description of this German-born American astronomer's discoveries and achievements.
Find this list of constellations named by this early 17th-century German astronomer. Includes descriptions of each.
Learn about the discoveries and accomplishments of this German astronomer who first measured the distance from the Sun to another star.