Rethinking cosmic expansion

Astronomers have assumed for decades that the Universe is expanding at the same rate in all directions. A new study based on data from ESA’s XMM-Newton, NASA’s Chandra and the German-led ROSAT X-ray observatories suggests this key premise of cosmology might be wrong.

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ESA - European Space Agency
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ESA Standard Licence

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Documentary
Space Science
Gaia
Gaia Spacecraft XMM-Newton Satellite
Astronomy Astronomy & Fundamental Physics Universe Universe (expansion of)
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