southern lights


General Science

  • plural noun
    (written as Southern Lights)
    a spectacular illumination of the sky in the southern hemisphere caused by ionised particles striking the atmosphere.


  • An aurora occurring in the southern hemisphere. An aurora is a luminous phenomenon of the upper atmosphere occurring mostly in the high latitudes of both hemispheres. They are caused by the interaction of excited particles from space and particles of the upper atmosphere, and usually affect radio communications. Also called aurora astralis.