The _______ is the name of a prolific meteor shower associated with the comet Swift-Tuttle. The _______ are so-called because the point they appear to come from, called the radiant, lies in the constellation Perseus. The stream in this case is called the _______ cloud and it stretches along the orbit of the Comet Swift-Tuttle. The cloud consists of particles ejected by the comet as it passes by the Sun.
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