Australian Study Backs Major Assumption of Cosmology

For scale:

Milky way diameter ~ 0.11 Mly,

Local Group (Milky way, Andromeda, etc...) diameter ~ 10 Mly,

Virgo Supercluster diameter ~ 100 Mly.

The existence of superclusters is part of why local homogeneity is not observed. However, the claim is only that any given region of about 250 Mly is on average about the same as any other region of the same size. So, even if that homogeneity holds true as you reduce scale (i.e. look for an average Earth) there's still a huge difference in thinking that you've got AC p

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/tlvagmyfwmc/australian-study-backs-major-assumption-of-cosmology

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