# \#hubble-tension

**URL:** https://scanalyst.fourmilab.ch/tag/hubble-tension/1034.md

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## [Is the Cosmological Principle Consistent with Observation?](https://scanalyst.fourmilab.ch/t/is-the-cosmological-principle-consistent-with-observation/3467)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 0\
**Last updated:** [18 July 2023 12:10 UTC](https://scanalyst.fourmilab.ch/t/is-the-cosmological-principle-consistent-with-observation/3467 "2023-07-18T12:10:19Z")

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The cosmological principle is a generalisation of the Copernican principle, and has been a largely unquestioned assumption underlying research into the origin and evolution of the universe for over a centur…

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## [Adam Reiss on the Hubble Tension and Puzzles in Cosmology](https://scanalyst.fourmilab.ch/t/adam-reiss-on-the-hubble-tension-and-puzzles-in-cosmology/3425)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 6\
**Last updated:** [15 July 2023 00:59 UTC](https://scanalyst.fourmilab.ch/t/adam-reiss-on-the-hubble-tension-and-puzzles-in-cosmology/3425 "2023-07-15T00:59:22Z")

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Adam Reiss won the 2011 Nobel Prize in Physics for the discovery of the accelerating expansion of the universe. Subsequent precision measurements of the universe’s present rate of expansion have revealed a …

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## [Confusion in Cosmology—Adam Reiss on the Hubble Tension](https://scanalyst.fourmilab.ch/t/confusion-in-cosmology-adam-reiss-on-the-hubble-tension/1441)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 1\
**Last updated:** [23 December 2022 21:04 UTC](https://scanalyst.fourmilab.ch/t/confusion-in-cosmology-adam-reiss-on-the-hubble-tension/1441 "2022-12-23T21:04:01Z")

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The Hubble constant, H\_0, measures the rate at which the universe is expanding and thus is a fundamental parameter determining the shape of the cosmos. It is expressed as the proportionality between dista…

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## [Can Primordial Magnetic Fields Resolve the Hubble Tension?](https://scanalyst.fourmilab.ch/t/can-primordial-magnetic-fields-resolve-the-hubble-tension/749)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 0\
**Last updated:** [18 January 2022 14:16 UTC](https://scanalyst.fourmilab.ch/t/can-primordial-magnetic-fields-resolve-the-hubble-tension/749 "2022-01-18T14:16:40Z")

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Measurements of the rate of expansion of the universe (the “Hubble constant”) based on the very early universe (from the cosmic microwave background radiation) and closer to the present day (from supenovæ i…