Meaning of Oort cloud in English

Table of contents
  1. Pronunciation
  2. Noun
    1. Definitions

  1. Pronunciation

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  1. Noun

    Oort cloud

    Definitions

    1. (astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto

    Examples

    • « perturbations (as by other stars) can upset a comet's orbit and may send it tumbling toward the sun »

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