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Angular Diameters |
Book Chapter
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Astronomical Scale of Stellar Distances Using 3-D Models |
Journal Article
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Bringing Moon Phases Down to Earth |
Journal Article
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Earth, Sun, and Moon: General Characteristics of Earth |
Science Objects have been retired and replaced with Interactive E-books
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Editor’s Roundtable: International Year of Astronomy |
Journal Article
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Hubble Space Telescope |
Book Chapter
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Invite an Alien to Astronomy Night |
Journal Article
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National Astronomy Day: Bringing the Universe to Your Students |
Journal Article
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Plate Tectonics: Plate Interactions |
Science Objects have been retired and replaced with Interactive E-books
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Plate Tectonics: Plates |
Science Objects have been retired and replaced with Interactive E-books
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Recognizing Energy |
Book Chapter
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Robotic Versus Manned Space Travel |
Book Chapter
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Scope on the Skies: Engaging Students in Independent Astronomy Research Projects |
Journal Article
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Scope on the Skies: International Year of Astronomy |
Journal Article
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Scope on the Skies: Summer astronomy |
Journal Article
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Scope on the Skies: The real shape of the Moon's orbit |
Journal Article
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Skynet Junior Scholars: Authentic Astronomy for All, Including Deaf and Hard-of-Hearing Students |
Journal Article
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Solar System: Asteroids, Comets, and Meteorites |
Science Objects have been retired and replaced with Interactive E-books
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Solar System: Formation of Our Solar System |
Science Objects have been retired and replaced with Interactive E-books
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Solar System: The Earth in Space |
Science Objects have been retired and replaced with Interactive E-books
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The Early Years: The Sun's Energy |
Journal Article
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The Greenhouse Effect |
Book Chapter
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The Water Cycle |
Book Chapter
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Touching the Stars: Making Astronomy Accessible for Students With Visual Impairments |
Journal Article
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