Possible Causes Other Than Primordial Temperature Fluctuation
The large 'cold spot' forms part of what has been called an 'axis of evil' (so named because it is unanticipated to see structure) which has been explained using several contexts: "many authors have commented about how the AE impacts our understanding of how structure emerged in the Universe within the framework of CDM and hydro-gravitational dynamics (HGD)"
Read more about this topic: CMB Cold Spot
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