Research report 2018 - Max Planck Institute for Astrophysics

Cosmic lenses support finding on faster than expected expansion of the Universe

Authors
Suyu, Sherry; Hilbert, Stefan; Yildirim, Akin
Departments
Max-Planck-Institut für Astrophysik, Garching
Summary
By using galaxies as giant gravitational lenses, an international group of astronomers including researchers at the Max Planck Institute for Astrophysics have made an independent measurement of how fast the Universe is expanding. The newly measured expansion rate for the local Universe is consistent with earlier findings. These are, however, in intriguing disagreement with measurements of the early Universe. This hints at a fundamental problem at the very heart of our understanding of the cosmos.

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