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Noun

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heliolongitudes

  1. plural of heliolongitude
    • 2016, H. Moraal, K. G. McCracken, R. A. Caballero-Lopez, “The pulse shape of cosmic-ray ground-level enhancements”, in arXiv[1]:
      The main results are that there is a continuous range from gradual to impulsive, that the fastest risers are concentrated at heliolongitudes that are magnetically well-connected to Earth, and that the shape of the pulse is a powerful indicator of propagation conditions between Sun and Earth.