The Universe may not look the same in all directions after all – Astronomy Now
One of the core assumptions all professional and amateur astronomers learn when first entering the field is that at large scales, the universe appears the same in all directions, that is, it’s isotropic.
A paper accepted for publication in Astronomy and Astrophysics suggests that may not be the case.
An international team of researchers using NASA’s Chandra X-ray Observatory, the European Space Agency’s XMM-Newton and other data archives studied the X-ray luminosity of 842 galaxy clusters.
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