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UrduAstrónomos de diversas partes del mundo están realizando un análisis inicial de los datos del primer año de estudio del Instrumento Espectroscópico de Energía Oscura, que lleva a cabo un sondeo de 5 años para crear el mapa en 3D más grande que se haya hecho sobre el Universo. Utilizando el espectro de las galaxias cercanas y de cuásares distantes, los astrónomos reportaron que lograron medir la historia de la expansión del Universo con la mayor precisión jamás alcanzada, proporcionando un panorama sin precedentes sobre la naturaleza de la energía oscura y su efecto en la estructura a gran escala del Universo.
Tag: expanding universe
DESI Looks 11 Billion Years Into the Past to Reveal Most Detailed View Ever of the Expanding Universe
The Dark Energy Spectroscopic Instrument is conducting a five-year survey to create the largest 3D map of the Universe ever. Astronomers are now performing initial analysis of the survey’s first-year data. Using spectra of nearby galaxies and distant quasars, astronomers report that they have measured the expansion history of the Universe with the highest precision ever, providing an unprecedented look at the nature of dark energy and its effect on the Universe’s large-scale structure.
Astrophysicists propose a new way of measuring cosmic expansion: lensed gravitational waves
The universe is expanding; we’ve had evidence of that for about a century. But just how quickly celestial objects are receding from each other is still up for debate.
1st observational evidence linking black holes to dark energy
Searching through existing data spanning 9 billion years, a team of researchers led by scientists at University of Hawaiʻi at Mānoa has uncovered the first evidence of “cosmological coupling” –a newly predicted phenomenon in Einstein’s theory of gravity, possible only when black holes are placed inside an evolving universe.