Surprise! Universe expansion may not be uniform!
![Cosmic expansion measured across the sky. Credit: K. Migkas et al. 2020 – CC BY-SA 3.0 IGO](http://ahead.astro.noa.gr/wp-content/uploads/2020/04/ESA_Universe_Expansion_allskymap_600.jpg)
The last decades, astronomers have assumed that the Universe is expanding at the same rate in all directions. However, a new research, based on data from three X-ray space observatories, indicates that this fundamental assumption might be incorrect. The idea Read More …