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GEM Subject is
Science -- Astronomy
176 - 180
Meteorites and Their Properties
"Meteorites and Their Properties" introduces the reader to the origin, structure, composition, impacting, appearance, location, and testing of meteorites. This site, authored by David Kring at the University of Arizona...
This National Aeronautics and Space Administration (NASA) Astrobiology Roadmap outlines these multiple pathways for research and exploration and indicates how they might be prioritized and coordinated. The roadmap...
Six Ways to Discourage Learning in Astronomy
One way to improve your teaching is to become aware of very common things teachers often do which don't help the learning process, and avoid them! This usually takes some practice, and discussion with others who teach....
Did an Impact Trigger the Permian-Triassic Extinction?
This resource, authored by David Morrison, contains the National Aeronautics and Space Administration's Astrobiology Institute news story on new evidence of a 251-million year-old impact crater off the western coast of...
Hubble Discovers 100 New Planets
British Broadcasting Corporation News Online article published July 2, 2004 on the discovery by The Hubble Space Telescope of as many as one-hundred new planets orbiting stars in our galaxy, almost doubling the number...
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