They are the most common type of planet observed in our Milky Way galaxy — two to three times the diameter of Earth but smaller than Neptune, and orbiting closer to their stars than our solar system’s innermost planet Mercury does to the sun.
They are the most common type of planet observed in our Milky Way galaxy — two to three times the diameter of Earth but smaller than Neptune, and orbiting closer to their stars than our solar system’s innermost planet Mercury does to the sun.
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