The name of the smallest planet in our solar system is Mercury. It is the closest planet to the sun and has a diameter of about 4,880 kilometers, making it smaller than both Venus and Earth's moon. Mercury completes a full orbit around the sun in just 88 Earth days and has a very thin atmosphere that consists mainly of helium and hydrogen. Due to its proximity to the sun, Mercury's surface temperature can reach up to 800 degrees Fahrenheit during the day and drop to minus 290 degrees Fahrenheit at night.
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Mercury.
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The name of the smallest planet in our solar system is Mercury. It is the closest planet to the sun and has a diameter of about 4,880 kilometers, making it smaller than both Venus and Earth's moon. Mercury completes a full orbit around the sun in just 88 Earth days and has a very thin atmosphere that consists mainly of helium and hydrogen. Due to its proximity to the sun, Mercury's surface temperature can reach up to 800 degrees Fahrenheit during the day and drop to minus 290 degrees Fahrenheit at night.
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Answer: The smallest planet is Mercury