1) 1. How many planets are in our galaxy? a) 4 planets b) 8 planets 2) 2. Which is the biggest planet? a) Jupiter b) Mars 3) 3. Which is the smallest planet? a) Sun b) Mercury 4) 4. Which is hottest planet? a) Venus b) Moon 5) 4. Which is the coldest planet ? a) Jupiter b) Neptune 6) Which planet has lots of rings? a) Saturn b) Venus 7) Which planet has one moon? a) Jupiter b) Earth

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