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New page: '''Nemesis''' is a theoretical dwarf star said to orbit the sun outside of the Oort Cloud. Some scientists believe that if Nemesis exists, it's passing by the Oort Cloud might ...
'''Nemesis''' is a theoretical [[dwarf star]] said to orbit the sun outside of the [[Oort Cloud]]. Some scientists believe that if Nemesis exists, it's passing by the [[Oort Cloud]] might send asteroids towards Earth. This hypothesis is sometimes used to back up the belief that the dinosaurs were killed by a large asteroid or meteor impact.