Boeing, comets, as object of ice which have origins from the edge of the solar system. Astronomers assume that The comet was born เมฆออร์ท (Oort 's cloud), which is the deep ice at the edge of the solar system. When the external force to act as(Supernova) or stellar bomb. The comet will fall out of provenances and gravity of the sun attracted a host. The orbit of the comet is long and is the very much, not in ระนาบสุริยวิถี.The comet is moving into the sun from all directions.
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