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The top documents tagged [polaris slide]
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Slide 1. Slide 2 How to classify a star and to place it on the H-R diagram correctly?? Need to know its luminosity, but it is difficult, because distance
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STARS The Constellations of our Galaxy. Born under the sign of…
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Motions in the Sky (Part I) 1.Practice Quiz 2.Introduction 3.Earth Spins Around Its Axis 4.Earth Revolves Around the Sun 5.Summary
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June DecemberMarch September
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