Astro Viz: Nearby Stars Article for grades 6 through 12 We see only a fraction of the stars in our Milky Way Galaxy when we gaze at the night sky. Find out why the stars that appear brightest to us are not necessarily the closest to Earth.
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		Stargazing Activity for grades 3 through 8 There are thousands of stars in the night sky. Hidden among them are constellations and planets. How many can you find? Record your sightings in a stellar sky journal.
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		Big Dipper Mobile Activity for grades 3 through 8 On Earth, the Big Dipper looks like a giant connect-the-dots puzzle page. Out in space, though, you'd have a hard time recognizing the constellation. See why with a make-it-yourself mobile.
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		Journey to a Black Hole Article for grades 6 through 12 If you could take a trip to a black hole, would you? Before you answer, take a peek at what you'd encounter. The trip certainly would qualify as adventure travel!
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		Cecilia Payne and the Composition of the Stars Article for grades 9 through 12 What are the stars made of? At 25, Cecilia Payne answered this fundamental question in her Ph.D. thesis. Her pioneering work also made it possible to read a star's surface temperature.
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		Friedrich Bessel and the Companion of Sirius Article for grades 9 through 12 Bessel discovered Sirius' unseen companion star long before technology allowed us to see Sirius B and even longer before quantum mechanics explained the nature of white dwarfs.
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		Olber's Paradox: Why Is The Sky Dark at Night? Article for grades 9 through 12 In the midst of a forest, all you can see is a wall of tree trunks. So why, then, don't we see a wall of starlight when we look up at the forest of stars in the night sky?
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		3-D Model of the Big Dipper Curriculum Materials for grades Kindergarten through 8 In outer space, you might not recognize the Big Dipper. The stars that form this constellation exist in 3-D not 2-D—so the star pattern changes with your viewpoint. Take another look at the Big Dipper.
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		Modeling a Constellation in Two and Three Dimensions Curriculum Materials for grades 3 through 12 Models allow astronomers to closely study and make predictions about their faraway subjects. Learn about the scientific power of models by creating your own for the constellation Orion.
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		A Search for Variable Stars in Two Northern Open Clusters: NGC 381 and NGC 637 Article for grades 6 through 12 Because professional observatories can rarely offer the large blocks of time needed to search for variable stars, this 12th-grader from Maine outlines a system for using amateur equipment.
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