Cosmic inflation mystery deepens

• Autores: Leah Crane
• Localización: New scientist, ISSN 0262-4079, Nº. 3161, 2018, pág. 8
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • The heat death of the universe is coming for people, but they don't know when. The cosmos is expanding, and the speed of that inflation is measured by a value called the Hubble constant. They have two ways to determine this rate, and they return different values, leaving cosmologists at an impasse. A new study has deepened the divide, leaving them in the dark about when the universe's frigid end might be. One way they search for the Hubble constant is to start at the beginning. They can look at the cosmic microwave background--a relic of the first light to cross the cosmos after the big bang--and see how fast the universe was expanding then