Some of the information about celestial bodies are based on observations made by various instruments deployed for the purpose. Different space mission added some new information to previously presumed ones. Some of the wrong concepts about distantly locates celestial bodies, like Jupiter, Saturn, Uranus and Neptune, were revised for confirming their actual status. There exists another belt of minor planets, located after Pluto, which is the birth place of strange celestial bodies like Comets.
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