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An astronomer wrote down the following observations regarding an object she recently discovered. Which piece of evidence disqualifies this object from being a planet? The object orbits a white dwarf star. The object also appears to have six moons of its own. Current images show that the object is rectangular in shape, and its mass is about one-fourth that of Earth’s. It has a slow orbital period, orbiting its star every 400 days.
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An astronomer wrote down the following observations regarding an object she recently discovered. Whi...
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