Hubble bubble may explain different measurements of expansion rate of the universe

The observable universe has been expanding since the Big Bang. It still is, causing galaxies in our Milky Way to recede. The actual speed of this expansion is known as the Hubble constant. Due to its importance in calculating basic properties of the universe, such as its age, modern cosmology is tasked with determining the value of the constant. There are two conventional methods used, although their results are not congruent, according to researchers. Experts may now be able to explain the different measurements of the expansion of the universe.

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