By using galaxies as giant gravitational lenses, an international group of astronomers using the NASA/ESA Hubble Space Telescope 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.
The release, images and videos are available on:
http://www.spacetelescope.org/news/heic1702/
Kind regards,
ESA/Hubble Information Centre
The ESO Education and Public Outreach Department
26 January 2017
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