What is the largest planet? (No.8), What is the largest planet? (No.15), What is the nearest to the sun?(No.1), What is the smallest planet? (No.12), What is the earth’s twin? (No.19), What is the earth’s twin? (No.4), What is the earth’s twin? (No.5), What is the hottest planet? (No.14), What is the second planet from the sun? (No.11), What is the third planet from the sun? (No.17).

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