And then there are asteroids, which JPL describes as "a relatively small, inactive, rocky body orbiting the sun" often in what are called asteroid belts.

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Asteroids are large, irregular, rocky bodies orbiting the Sun roughly between Mars and Jupiter.

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Planets orbiting stars beyond the sun are labelled merely with the name of the star and a suffix letter.

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While there are a number of different types of stars in the Cluster, each of the two planets were found orbiting Sun-like stars.

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