Astronomers by century (source code)

= Astronomers by century
{wiki=Category:Astronomers_by_century}

Certainly! Here’s a brief overview of some significant astronomers categorized by century: \#\#\# Ancient to Medieval (Pre-17th Century) \#\#\#\# 1st Century - **Ptolemy**: An influential Greek astronomer best known for the Almagest, which presented the geocentric model of the universe.