However, Eudoxus' importance to Greek astronomy is considerable, as he was the first to attempt a mathematical explanation of the planets.

The Almagest is the critical source of information on ancient Greek astronomy.

Greek astronomy - the astronomy of Ptolemy's era.

The sublunary sphere is a concept derived from Greek astronomy.

There is substantial similarity between these and pre-Ptolomaic Greek astronomy.

Such a model allowed the concept that celestial bodies could pass under the Earth, opening the way to Greek astronomy.

Greek astronomy is characterized from the start by seeking a rational, physical explanation for celestial phenomena.

The other, resembling ancient Greek astronomy, is the geocentric model, according to which the stars move about the earth.

Many of the constellations and star names in use today derive from Greek astronomy.

Greek astronomy was built on Mesopotamian foundations.