Tells about the science who sought to make the universe cleaerer to the ordinary person.

A multimedia biography of the famous astronomer Galileo. Learn more about his many contributions to science.

Danish astronomer who did the most accurate measurements of the sky ever made without a telescope.

Discover more about this Danish father of modern Astronomy who made precise, comprehensive astronomical measurements. His data was superior to all other measurements made until the invention of the telescope.

German astronomer Johannes Kepler was a supporter of the Copernican model of the universe. Find out more about his life and work.

The first to mathematically predict an unknown planet, his calculations were ignored and someone else discovered Neptune.

An astronomer, mathematician and geographer who lived in Alexandria, Egypt. We know very little more of his life. He classified the Greek geocentric view of the universe, and calculated the apparent motions of the planets.

Tells about the physicist known for his study of black holes.