• Thumbnail for Accelerating expansion of the universe
    Observations show that the expansion of the universe is accelerating, such that the velocity at which a distant galaxy recedes from the observer is continuously...
    42 KB (5,162 words) - 13:08, 25 May 2025
  • Thumbnail for Expansion of the universe
    The expansion of the universe is the increase in distance between gravitationally unbound parts of the observable universe with time. It is an intrinsic...
    37 KB (4,556 words) - 22:16, 22 March 2025
  • The Omega Point is a theorized future event in which the entirety of the universe spirals toward a final point of unification. The term was invented by...
    24 KB (2,785 words) - 06:21, 23 May 2025
  • that time the accelerating expansion of the universe was not known, which resolves the divergence issue because of the cosmic event horizon. The Hoyle–Narlikar...
    8 KB (791 words) - 14:00, 25 May 2025
  • Thumbnail for Dark energy
    Dark energy (category Pages using sidebar with the child parameter)
    proposed form of energy that affects the universe on the largest scales. Its primary effect is to drive the accelerating expansion of the universe. It also...
    88 KB (9,945 words) - 05:12, 24 May 2025
  • Thumbnail for Baryon acoustic oscillations
    Baryon acoustic oscillations (category Pages using sidebar with the child parameter)
    about the nature of dark energy (which causes the accelerating expansion of the universe) by constraining cosmological parameters. The early universe consisted...
    27 KB (3,238 words) - 10:48, 30 May 2025
  • postulated to relate the mass of the neutrino to the dark energy conjectured to be responsible for the accelerating expansion of the universe. The acceleron was...
    2 KB (186 words) - 20:48, 29 January 2025
  • understanding of the universe. Dark energy: What is the cause of the observed accelerating expansion of the universe (the de Sitter phase)? Are the observations...
    104 KB (11,406 words) - 09:44, 30 May 2025
  • type of matter? Dark energy: What causes the observed accelerating expansion of the universe (the de Sitter phase)? Are the observations showing the accelerating...
    29 KB (3,270 words) - 14:33, 15 April 2025
  • Thumbnail for Big Bang
    The uniformity of the universe, known as the horizon and flatness problems, is explained through cosmic inflation: a phase of accelerated expansion during...
    150 KB (15,946 words) - 23:12, 25 May 2025
  • De Sitter space (category Equations of astronomy)
    serves as one of the simplest mathematical models of the universe consistent with the observed accelerating expansion of the universe. More specifically...
    12 KB (2,219 words) - 22:13, 24 May 2025
  • Thumbnail for Galaxy filament
    form the boundaries between voids. Due to the accelerating expansion of the universe, the individual clusters of gravitationally bound galaxies that make...
    23 KB (1,880 words) - 03:58, 25 May 2025
  • Thumbnail for Euclid (spacecraft)
    matter by accurately measuring the accelerating expansion of the universe. The Korsch-type telescope will measure the shapes of galaxies at varying distances...
    41 KB (3,554 words) - 14:09, 20 May 2025
  • Thumbnail for Big Crunch
    Big Crunch (redirect from The Big Crunch)
    correct. Instead, astronomical observations show that the expansion of the universe is accelerating rather than being slowed by gravity, suggesting that...
    23 KB (2,878 words) - 17:52, 16 May 2025
  • Thumbnail for Saul Perlmutter
    Saul Perlmutter (category Fellows of the American Association for the Advancement of Science)
    providing evidence that the expansion of the universe is accelerating. Since 2021, he has been a member of the President’s Council of Advisors on Science...
    19 KB (1,686 words) - 16:06, 22 May 2025
  • Thumbnail for Cosmological constant
    Cosmological constant (category Pages using sidebar with the child parameter)
    were accelerating away. Both teams announced this surprising result in 1998. It implied the universe is undergoing accelerating expansion. The cosmological...
    50 KB (5,785 words) - 04:14, 14 May 2025
  • Thumbnail for Chronology of the universe
    later the electromagnetic, weak and strong interactions; and the accelerated expansion of the universe due to cosmic inflation. Tiny ripples in the universe...
    110 KB (10,647 words) - 03:35, 31 May 2025
  • Thumbnail for Observable universe
    reach the Solar System and Earth since the beginning of the cosmological expansion. Assuming the universe is isotropic, the distance to the edge of the observable...
    64 KB (6,601 words) - 18:06, 31 May 2025
  • Thumbnail for Jayant Narlikar
    Jayant Narlikar (category Recipients of the Padma Vibhushan in science & engineering)
    Narlikar proposed the quasi-steady state cosmological model. That model was incompatible with the accelerating expansion of the Universe, discovered in 1997...
    23 KB (2,068 words) - 20:11, 31 May 2025
  • Thumbnail for Lambda
    for the accelerating expansion of the universe. In optics, lambda denotes the grating pitch of a Bragg reflector. In politics, the lambda is the symbol...
    23 KB (2,775 words) - 13:36, 27 May 2025
  • Thumbnail for Pilar Ruiz-Lapuente
    Pilar Ruiz-Lapuente (category Academic staff of the University of Barcelona)
    to the discovery of the accelerating expansion of the universe. Ruiz-Lapuente completed her degree in Physics at the University of Barcelona, then did...
    7 KB (725 words) - 21:42, 20 April 2025
  • Thumbnail for Adam Riess
    Adam Riess (category Members of the United States National Academy of Sciences)
    the 2011 Nobel Prize in Physics with Saul Perlmutter and Brian P. Schmidt for providing evidence that the expansion of the universe is accelerating....
    18 KB (1,761 words) - 05:10, 31 May 2025
  • Thumbnail for Lambda-CDM model
    observed abundances of hydrogen (including deuterium), helium, and lithium; the accelerating expansion of the universe observed in the light from distant...
    93 KB (10,917 words) - 16:59, 27 May 2025
  • Thumbnail for Present
    Present (redirect from The Present Time)
    the universe's Stelliferous Era, after enough time for superclusters to have formed (at about 5 billion years), but before the accelerating expansion...
    12 KB (1,374 words) - 01:10, 28 April 2025
  • : 58  The accelerating expansion of the universe has been attributed to a form of energy called dark energy. Some physicists speculate that a form of dark...
    18 KB (2,154 words) - 21:49, 25 May 2025
  • Thumbnail for Ultimate fate of the universe
    1998, observations of supernovas in distant galaxies have been interpreted as consistent with a universe whose expansion is accelerating. Subsequent cosmological...
    35 KB (4,272 words) - 04:54, 25 May 2025
  • Claudia de Rham (category Alumni of the University of Cambridge)
    Her research helps tackle the problem of the cosmological constant and could describe the accelerated expansion of the universe as a purely gravitational...
    15 KB (1,173 words) - 03:02, 16 April 2025
  • Thumbnail for Timeline of the universe
    The timeline of the universe begins with the Big Bang, 13.799 ± 0.021 billion years ago, and follows the formation and subsequent evolution of the Universe...
    17 KB (2,026 words) - 12:56, 30 April 2025
  • Thumbnail for Cosmological constant problem
    Cosmological constant problem (category Physics beyond the Standard Model)
    William G. (2017). "How the huge energy of quantum vacuum gravitates to drive the slow accelerating expansion of the Universe". Physical Review D. 95...
    21 KB (2,464 words) - 23:39, 16 March 2025
  • Thumbnail for Alex Filippenko
    Alex Filippenko (category Members of the United States National Academy of Sciences)
    observations of extragalactic Type Ia supernovae to discover the accelerating universe and its implied existence of dark energy. The discovery was voted the top...
    21 KB (1,990 words) - 17:55, 12 May 2025