Shop Windows to the Universe

The Universe at Your Fingertips 2.0 DVD from the Astronomical Society of the Pacific is in our online store, filled with Earth and space science resources.
Portrait of Nicholas Copernicus
SPL/Photo Researchers

Nicholas Copernicus

Nicholas Copernicus was a Polish asrtonomer who lived between 1473-1543. A long time ago, people believed that the Earth was the center of the universe.

Copernicus changed this belief when he introduced a model of the solar system that was centered around the sun. He claimed that all the planets, including Earth, moved in orbits around the sun.


Shop Windows to the Universe Science Store!

Our online store includes books on science education, ranging from evolution, classroom research, and the need for science and math literacy!

Windows to the Universe Community

News

Opportunities

You might also be interested in:

Ready, Set, SCIENCE!: Putting Research to Work in K-8 Science Classrooms

What types of instructional experiences help K-8 students learn science with understanding? What do science educators teachers, teacher leaders, science specialists, professional development staff, curriculum designers, school administrators need to know to create and support such experiences?...more

Ptolemy

Ptolemy was a Greek astronomer who lived between 85-165 A.D. He put together his own ideas with those of Aristotle and Hipparchus and formed a unified model of the universe. Ptolemy believed that the...more

Johan Kepler

Johan Kepler was a German astronomer who lived between 1571-1630. Kepler used Tycho Brahe's observations of Mars to show that planetary orbits are not circular, but, in fact, elliptical (or shaped like...more

Motions of the Planets

For many years, people believed that the Earth was the center of the universe, that the Earth didn't move and that the planets, Sun, moon, and the stars moved on spheres around the Earth. Astronomers such...more

Tycho Brahe

Tycho Brahe was a Danish astronomer who lived between 1546-1601. For over twenty years he made observations of stars, comets, and planets in the night sky. Tycho also built the first observatory but did...more

Nicholas Copernicus

Nicholas Copernicus was a Polish asrtonomer who lived between 1473-1543. A long time ago, people believed that the Earth was the center of the universe. Copernicus changed this belief when he introduced...more

Leonardo da Vinci

Leonardo da Vinci was an Italian artist and scientist who lived between 1452-1519. While he is best known as a painter, Leonardo mostly worked for the military. He made sketches of tanks, airplanes, and...more

Galileo Galilei

Galileo Galilei was an Italian astronomer and physicist who lived between 1564-1642. He was the first person to use a telescope to look at the heavens, and discovered craters in the moon. Galileo found...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF