The Oort Cloud: The objects in the Oort Cloud are frozen "snowballs," each a few kilometers across, seen at a distance of approximately 100,000 astronomical units. What do you think the potential is to directly observe (via some sort of telescope or directly visit (via a space mission)an object in the Oort cloud? Do you think that the existence of this component of the solar system is less well established than other components, such as the Kuiper Belt? What role does the solar nebular theory for the formation of the solar system play in supporting the existence of the Oort Cloud?
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