Labels:audio cd | cd rom | clock | compact disk | crt screen | monitor | person | sky | tree | videocassette recorder OCR: KUIPER B EL An ihypothesized disk CL of UD material beyond the orbit of Neptune which Is the source periods of short less period than comets 200 year those could with exist from about 30 to 100 AU from the Sun. According to the observations of Pioneer 10 amount of material in the Kuiper Belt does not exceed few times the mass of Earth. This material could be left ove from the era of planet formation Sun Pluto Neptune 30 to 100 AU years over
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