In this telescopes instructional activity, students will read information about the differences between the early telescopes and the modern telescopes. Then students will complete 2 short answer questions.

An image of Nicolaus Copernicus.

A portrait of Nicolaus Copernicus from the Dibner Library of the History of Science and Technology, made available through the Smithsonian Institution's Scientific Identity Collection.

This site provides a brief biography of Nicolaus Copernicus. Content includes 15 pictures, several cross-references to relevant history topics, a list of honors awarded to Copernicus, and more.