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Hacking The Cosmological Distance Ladder

Hacking The Cosmological Distance Ladder

Hacking The Cosmological Distance

There is a disagreement in measurements of the Hubble constant often referred to as The Crisis in Cosmology. One way to solve it is to observe redshift drift. However, it requires lengthy observations. But my guest, Dr Geraint Lewis, has a hack up his sleeve — gravitational lensing.

Credit Fraser Cain

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