Astrophysics (index)about

Cold Spot

(CMB Cold Spot, WMAP Cold Spot)
(unusually colder spot in the CMB)

A Cold Spot (or Cosmic Microwave Background Cold Spot or WMAP Cold Spot) is an area where the CMB indicates a slightly lower Black Body Temperature than expected, a difference on the order of 70 millionths of a Kelvin degree. The CMB black body temperature has a random distribution around a value near 2.7K except for these areas. Some research has suggested they correspond to Voids.


Referenced by:
Topological Defect