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Mitk12 Videos: #Ask Mit: Why Do Stars Twinkle and Move?
Astronomer and MIT professor Anna Frebel answers the questions, "Why do stars twinkle instead of shine steady?" and "Do stars move at night or do they just look like they do because of the earth spinning?" [3:01]
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Mitk12 Videos: #Ask Mit: How Hot Is the Core of Venus?
MIT professor and astronomer, Anna Frebel explains, "How hot is the core of Venus?" [1:01]