English edit

Etymology edit

Named after New Zealand physicist Roy Kerr.

Noun edit

Kerr geometry (usually uncountable, plural Kerr geometries)

  1. The geometry of empty spacetime around a rotating uncharged axially-symmetric black hole with a spherical event horizon.
    • March 14, 2018, Roger Penrose, “'Mind over matter': Stephen Hawking – obituary”, in The Guardian[1]:
      The very remarkable conclusion of all this is that the black holes that we expect to find in nature have to conform to this Kerr geometry.