Has the mystery of the expansion of the Universe finally been solved?

As far as we know, the Universe in which we live arose from the sudden explosion of a point of infinite density, the Big Bang, just over 13.7 billion years ago, and then began to expand. An expansion that continues to occur today and that we could compare to a balloon that continues to inflate and grow in all directions.

However, something is wrong in this story. And the best proof of this is that physicists cannot agree on exactly what the expansion rate of the Universe is, that is, what is the speed at which it is growing. It is enough to use different measurement methods so that the results, instead of coinciding, are... See more