dimensions

The universe could be younger than we think, as the movement of galaxies shows

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The universe could be younger than we think, based on the movements of satellite galaxies that reveal how recently they fell into a group of galaxies. According to measurements of the cosmic microwave background radiation (CMB) by the European Space Agency‘s Planck mission, the universe is about 13.8 billion years old. This calculation is based … Read more

Can a ‘supervoid’ resolve a brutal debate over the expansion rate of the universe?

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A large discrepancy between different measurements of the expansion rate of our universe could be explained if our galaxy, the Milky Way, is located in a void of two billion light years. That is the conclusion of scientists who claim that a modified theory exists gravity can replace the standard model of cosmology. However, this … Read more