Shop Windows to the Universe

We now offer the Cool It! card game in our Science Store. Cool It! is the new card game from UCS that teaches kids about the choices we have when it comes to climate change.

People's Web

These are links to other great web sites about people. But beware: you don't want to get caught in the People's Web! Don't stay away from Windows to the Universe for long! Click for full size

Tycho Brahe Biography of Brahe.

Copernicus All you want to know about this ancient scientist.

Charles Darwin

Feynman Online! Web site devoted to the physicist, Richard Feynman.

The Galileo Project A great website devoted to a great astronomer.

Stephen Hawking's Universe Ask this scientist your toughest questions!

Island of Freedom An excellent site full of philosophers, poets, and artists.

Sir Isaac Newton

Leonardo da Vinci Museum

Shop Windows to the Universe Science Store!

Our online store includes issues of NESTA's quarterly journal, The Earth Scientist, full of classroom activities on different topics in Earth and space science, ranging from seismology, rocks and minerals, oceanography, and Earth system science to astronomy!

Windows to the Universe Community



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A Trip to the Observatory

Have you ever wondered what it would be like to take a trip to an observatory to use the telescope? In February 2006, astronomer Travis Metcalfe was granted 7 nights of observing time on one of the telescopes...more

A Trip to the Observatory - Transcript

I'm Travis Metcalfe, an astronomer at the National Center for Atmospheric Research in Boulder, Colorado. I made this short video for anyone who's ever wondered what it's like to take a trip to the observatory...more

Correlations in Science

When scientists do an experiment, they looking to see if two variables are related. A variable is something that changes. Sometimes variables are related (or correlated) in a positive way. That is, as...more


Hipparchus was a Greek astronomer who lived between 190-120 B.C. He is considered the father of trigonometry, a branch of mathematics which studies the angles of sides of triangles. Hipparchus also developed...more

James Adamson

James Adamson is an American astronaut who was born in New York in 1946. From 1965-1980, he served with the Army and the Navy. Adamson became an astronaut in 1984. He has flown on two space missions....more

Tom Akers

Tom Akers is an American astronaut who was born on May 20, 1951 in Missouri. Before he was an astronaut, Akers was a park ranger, teacher, and Air Force pilot. He has flown 25 different kinds of airplanes....more

Joseph Allen

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Jim Bagian

Jim Bagian is an American astronaut who was born on February 22, 1952 in Pennsylvania. Before he became an astronaut, Bagian was an engineer and a medical doctor. Bagian became an astronaut in 1980. He...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA