- Thomas Aquinas (plato.standford.edu)
Between antiquity and modernity stands Thomas Aquinas (ca. 1225–1274). The greatest figure of thirteenth-century Europe in the two preeminent sciences of the era, philosophy and theology, he epitomizes the scholastic method of the newly founded universities.
- Iris Nebula (Wikipedia)
The Iris Nebula (also known as NGC 7023 and Caldwell 4) is a bright reflection nebula in the constellation Cepheus. The designation NGC 7023 refers to the open cluster within the larger reflection nebula designated LBN 487.