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Which of the following criteria do astronomers use to classify an object as a planet? |
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Answer» ions to the question areA) The object orbits a star. B) Its gravity MAKES the object spherical. C) The object clears its orbit of other objects. D) The object has an atmosphere.Criteria for a planetAccording to the International ASTRONOMICAL UNION (IAU),2006, a planet should fulfill the following THREE criteria.1. It must independently orbit the Sun2. Its gravity must be such that it pulls it into a roughly spheroidal shape 3. It must be large enough to "dominate" its orbit and so clear its orbit of other obstacles.So the correct answers would beA) The object orbits a star. B) Its gravity makes the object spherical.C) The object clears its orbit of other objects. |
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