It’s official – we don’t know how fast the universe is expanding

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The Hubble changeless describes however accelerated the beingness is expanding, but our measurements won’t enactment up, which whitethorn mean our modular exemplary of the beingness is wrong

Space 20 January 2022

By Leah Crane

Figure 4. Pseudo-color images of each  Cepheid-bearing galaxies analyzed successful  this work.

Images taken by the Hubble Space Telescope of galaxies looked astatine successful the study

ESA

The enlargement of the beingness is accelerating, but we don’t cognize however fast. With caller observations, this contented has lone got much severe, and present immoderate astronomers are saying that it’s officially a existent occupation – not 1 caused by uncertainties successful the measurements.

There are 2 main ways that we measurement the the Hubble constant, which describes the expansion of the universe. The archetypal is to analyse the cosmic microwave inheritance (CMB) – a …

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