An Etymological Dictionary of Astronomy and Astrophysics

A region of the Universe, nearly a billion light-years across, mostly devoid of stars, gas, other normal matter, and also
→ dark matter. Situated at about 6 billion light-years from us, in projection on the the constellation → Eridanus, it shows up as a particularly cold region in the map of the → cosmic microwave background (CMB) radiation. Observations made using the → Very Large Array (VLA) radio telescope show a relative absence of matter in that area.

Etymology (EN): Huge, from M.E. huge, hoge, from O.F. ahuge, ahoge “enormous,” from a variant of → ad- + hoge “height,” → high; → hole.

Etymology (PE): Surâx, → hole; kalân “great, large, bulky.”