The cosmic expansion crisis

• Autores: Joshua Sokol
• Localización: New scientist, ISSN 0262-4079, Nº. 3077, 2016, págs. 8-9
• Idioma: inglés
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• Resumen

  • The universe is expanding 9 per cent faster than it should be. Either the best measurements are wrong, or a glimmer of new physics is peeking through the cracks of modern cosmology. If that's the case, some lightweight, near-light-speed particles maybe missing from the picture of the universe shortly after the big bang. Particle physicists have already spent over a decade chasing something that fits the bill: ghostly neutrinos unlike the three already known. Here, Sokol discusses the ways of measuring how quickly the universe is flying apart.