1. What is the speed of the Earth moving through space? 2. Why do stars twinkle? 3. What causes an eclipse? 4. What is the difference between a comet and an asteroid? 5. What is the Milky Way’s central black hole?
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1. What is the speed of the Earth moving through space? 2. Why do stars twinkle? 3. What causes an eclipse? 4. What is the difference between a comet and an asteroid? 5. What is the Milky Way’s central black hole?