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Middle Ages

Use these links to learn about scientists from the middle ages:

Abu Ja'far al-Khwarizmi
'Abd al-Rahman al-Sufi
Leonardo Fibonacci
Jabir Ibn Haiyan

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Our online store includes fun classroom activities for you and your students. Issues of NESTA's quarterly journal, The Earth Scientist are also full of classroom activities on different topics in Earth and space science!

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You might also be interested in:

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

In conducting their research, scientists often want to know if two sets of data (variables) are related to each other. For instance, you might wonder if the amount of time a student spends reading the...more


Hipparchus was a Greek astronomer who lived between 190-120 B.C. He created the first accurate star map and kept a catalogue of over 850 stars with their relative magnitudes. The system of epicycles describing...more

James Adamson

James Adamson is an American astronaut who was born in New York in 1946. He attended military school from 1965-1969 and studied engineering. From 1969-1980 he stayed in the Army as an aviator and professor....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 types of aircraft....more

Joseph Allen

Joseph Allen is an American astronaut who was born on June 27, 1937 in Indiana. Before he became an astronaut, Allen was a physicist who taught at the University of Washington. Allen became an astronaut...more

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