Ibn al Haytham · Science

Doubts on Ptolemy

Ibn al-Haytham turned his skepticism on the greatest authority in astronomy, exposing that Ptolemy’s celestial machine could not physically exist.

What you'll be able to recall

You learned that Ibn al-Haytham attacked Ptolemy’s astronomy not on its predictions but on its physical reality. Explain the difference between those two tests, in your own words.

Leads to Nicolaus Copernicus.

Begin this lesson →
← All lessons on Ibn al Haytham

epoché — a humanities education that remembers you.