supersun

plural supersuns

1. rareastronomyA full or giant sun (solar star).

   This doubtless explains why we find no evidence of the existence of supersuns of tremendous mass.

   1925, W. Scott Lewis, In the Depths of Space, Theosophical Press, page 41

   4 more examples

   This rising supersun, an Inner voice seemed to be saying, really was a symbol of the dawn of a new day on earth — the coming of an era in which any sizable war had become Impossible, because no aggressor could from now on ever dare to start an aggressive war without the certainty of absolute and swift annihilation.

   1957, United States, Congress, Congressional Record, Washington, The Congress, page 6091

   The author tells of the discoveries of the great pioneers—Henri Becquerel, the Curies, Einstein—and of the explorations into the unknown by Rutherford, Planck, Fermi, Bohr, and many others, that culminated in the “great green supersun” rising over the New Mexico desert in 1945.

   1960, The Bulletin of the National Association of Secondary-School Principals 1960-01: Volume 44 Issue 252, Sage Publications, Inc.

   At that great moment in history, ranking with the moment in the long ago when man first put fire to work for him and started on his march to civilization, the vast energy locked within the hearts of the atoms of matter was released for the first time in a burst of flame such as had never before been seen on this planet, illuminating earth and sky for a brief span that seemed eternal with the light of many supersuns.

   2002, Anthony Lewis, Written into History: Pulitzer Prize Reporting of the Twentieth Century from the New York Times, Henry Holt and Company, →ISBN, page 218

   Those lucky enough to experience sun hours during the day (that is, practically the entire earth population except a few tribes living well inside the Arctic Polar Circle) will witness a larger sun than usual, officially dubbed by myself "supersun", in analogy with the same-effect "supermoon".

   2017 December 30, RedGolpe, “The Supersun on January 3 (x-post /r/space)”, in reddit.com