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Pancakes and fingers in the sky

The positions and motions of galaxies are dictated by the laws of gravity. A new technique to measure the anisotropy in the three-dimensional redshift distribution of galaxies seriously challenges attempts to go beyond Einstein’s general theory of relativity.

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Fig. 1: An illustration of the effects of peculiar velocities on the inferred spatial distribution of galaxies.

reproduced from ref. 13, IOP


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Correspondence to Federico Bianchini.

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Bianchini, F. Pancakes and fingers in the sky. Nat Astron 2, 942–943 (2018).

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