Skip Navigation
FREE: Federal Resources for Educational Excellence - Teaching and Learning Resources From Federal Agencies
RSS


Home
Subject Map
Go
Science
Applied Sciences
Computers/Tech (16)
Engineering (26)
Earth Sciences
Climate Change (42)
Environment (63)
Geology (37)
Oceans (42)
Other Earth Sciences (76)
Life Sciences
Animals/Zoology (35)
Botany (19)
Cells (26)
Diseases (35)
Genes, Evolution (43)
Human Body (31)
Interdependence (25)
Medicine (28)
Other Life Sciences (45)
Physical Sciences
Chemistry (37)
Energy (25)
Physics (46)
Other Physical Sciences (23)
Space Sciences
Aeronautics (27)
Astronomy (60)
Other Space Sciences (31)
Other Science (45)
 
What's New
Calendar

Science » Earth Sciences » Geology

Windows to the Universe

explores the Earth, planets of our solar system, and the universe. It includes images, animations, and data sets, and information about books, movies, scientists, and myths. (National Aeronautics and Space Administration)

   Go to this website
During a total solar eclipse, the umbra reaches the Earth. During an annular eclipse, it does not. An eclipse occurs when the Moon passes in the path of the Sun and Earth.

Solar eclipse

 This website also appears in:
Science »  Earth Sciences »  Climate Change
Science »  Earth Sciences »  Environment
Science »  Physical Sciences »  Physics
Science »  Space Sciences »  Astronomy
World Studies »  Countries & Continents »  Arctic, Antarctica

    About FREE      Privacy     Security     Disclaimer     WhiteHouse.gov     USA.gov   ED.gov