Dodecahedral topology fails to explain quadrupole-octupole alignment
classification
🌌 astro-ph
keywords
explainalignmentdodecahedraltopologywellalignanswercase
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The CMB quadrupole and octupole, as well as being weaker than expected, align suspiciously well with each other. Non-trivial spatial topology can explain the weakness. Might it also explain the alignment? The answer, at least in the case of the Poincare dodecahedral space, is a resounding no.
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