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. How many planets are in our solar system? 2. What is the asteroid belt? 3. What is the Kuiper Belt? 4. What is the Oort Cloud? 5. What is a supernova?
1. What is the Milky Way? 2. How far is the nearest star? 3. What is the Hubble Space Telescope? 4. What is the speed of light? 5. What is the solar system?