Cosmology Forum

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Join in expert discussion on topics revolving around cosmology. Cosmology is the origin, evolution, structure and eventual fate of the universe.
Graduate Quantum tunneling and the universe
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Graduate Why Does Dark Matter Appear Scale Variant in Galactic Rotation?
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Graduate Will the expanding universe really end up cold and empty?
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Graduate Low Entropy big bang , models that explain it
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Graduate Viscous fingering and structure of space
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Graduate Big Crunch to Big Bang: Is Our Universe Eternal?
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Graduate Does WMAP data imply spacetime is flat?
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Graduate Is there an event horizon beyond the visible universe?
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Graduate Derivation of the formula for cosmological redshift
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Graduate Lightlike radial null geodesic - how do we know it has constant theta and phi?
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Graduate Trying to understand the normalisation of the scale factor to be 1 today
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Graduate How Does Order Arise from Disorder Despite the 2nd Law of Thermodynamics?
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Graduate Super Structure - Evidence for Handedness Spiral Galaxies
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Graduate Black Hole Information Loss Question
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Graduate Is Dark Energy Present Everywhere in the Universe?
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Undergrad Could a Hypernova Have Caused the Big Bang?
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Graduate Antimatter decay rate in a book?
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Graduate The Big Bang: Radiation Era and Hydrogen Fusing to Helium
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Graduate Could Black Holes Lead to New Universes?
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Undergrad Center of the universe the origin of the big bang?
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Undergrad Could the Supernova Shock Wave That Created Our Solar System Still Be Detected?
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Undergrad The Universe is expanding, but why aren't we?
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Graduate Berman's zero energy condition for universe
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Graduate Planck satellite, gravitational waves
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Graduate What does SR say about the expanding universe?
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Graduate Is the Multiverse Hypothesis Losing Steam in Scientific Circles?
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Undergrad Are Lawrence Krauss' theories accepted in physics academia?
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Graduate What Lies Beyond the Expanding Universe?
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Graduate Can We Detect an Ongoing Enlarging of Everything in the Universe?
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Graduate Where Did the Big Bang Occur?
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Graduate What Are the Implications of Vacuum Fluctuations for the Big Bang Theory?
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Graduate How Can We Quantify Homogeneity in Physical Systems?
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Graduate Is accelerated expansion creating energy
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Graduate Big bangs & macroquantic - two questions
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Graduate Can objects be redshifted to the point of becoming invisible?
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Graduate How Did the First Proton Emerge from the Big Bang?
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Graduate Does the number of galaxies change with time?
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High School What Is the Diameter of the Observable Universe?
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Undergrad Unraveling the Chaos: Examining the Birth and Behavior of the Universe
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Undergrad Space Time Expansion: How Galaxies Formed
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Graduate Is Newton's Law a Result of Constant Volumetric Expansion?
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Graduate Is eternal inflation possible in LQC?
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Graduate Dark matter/Dark antimatter Asymmetry?
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Graduate Dark Matter: Interacting Particles & Gravitational Forces
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Graduate Is the proper distance the shortest distance in FLRW universe?
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Graduate Why Doesn't Dark Energy Expand Galaxies?
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Undergrad Good Introductory Book/Article to Dark Energy?
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Graduate Why Doesn't the Comoving Hubble Length Always Increase?
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Graduate Question about the expansion of space.
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Graduate Need Help Writing a Sci-Fi Film Plot with Astronomy
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Graduate Did all 10^80 particles exist after the first 3 minutes?
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Graduate Life in the process of universe: the goal or just a side effect?
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Graduate Is the universe 13.7 Billion years old? There seems to be a contradiction
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Graduate An Infinite Lapse of Time is Impossible and Unscientific
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Undergrad Is the Expanding Universe Affecting Our Solar System?
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Undergrad Is this a misleading representation of boomerang results
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Graduate CERN particle announcement related to dark matter / energy?
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Graduate Why Are Galaxies Rushing Apart According to Weinberg's First Three Minutes?
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Graduate How Flat is Our Universe Really?
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Graduate Questioning Hubble's Law: Does the Expanding Universe Theory Hold Up?
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Graduate Cosmological expansion vs. stretching
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Graduate Dark energy related to 10-dimensional universe
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Graduate Could the Universe Have Regions of Expansion and Collapse?
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Graduate Imposssible to see light that left a star 13.4 billion yrs ago
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Graduate Why is a gravitational field negative energy ?
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Undergrad Gravity in the Universe: Is There a Weakest Force?
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Graduate Would the universe be the same if it was reset?
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Undergrad Calculating distance from redshift
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Graduate In what sense is the standard model enormously successful
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Graduate What is the universe itself made of beyond its contents?
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Graduate Is Our Universe Just a Balloon in an Infinite Matrix?
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Graduate Explosion picture: most common mistake
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Graduate Did a Higgs Boson trigger the big bang?
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Undergrad Critical density in our expanding universe
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Graduate Eight steps to the understanding the CEH
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Graduate Why is the Universe electrically neutral?
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Graduate Higgs & Inflaton: Does New Boson Discovery Change Anything?
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Graduate What Does Density Contrast in the Universe Mean in the Context of Chaplygin Gas?
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Graduate What is absolute in this universe?
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Undergrad Distance time travels per second
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Undergrad Is there any cosmological research field concerning signal processing?
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Graduate The theory of Cosmological Relativity by Dr. Moshe Carmeli.
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Undergrad Is Dark Flow Considered a Fringe Theory?
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Undergrad How does one descibe a co-orbiting system?
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Graduate An Infinite Time's Arrow is Impossible and Incompatible with Scientific Theory
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Undergrad Why are black holes shaped like hurricanes?
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Graduate What if Neutron Stars Collide: Matter, Mass & Metal
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Graduate Nature and The Universe, How can Nature being conscious, know what it is doing ?
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Graduate A could be explenation for the universe but probably not.
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Graduate Infinite universe and big bang singularity
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Graduate Is the Milne model compatible with Einstein's field equation?
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Graduate Just wondering what the latest descriptions of space were.
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Undergrad With the laws of physics you can get Universes?
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What Is The Sky - Gazing Into Space?
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Graduate How Does Dark Matter Influence Gravity in Galaxies?
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Graduate Why is the Hubble sphere expanding?
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Undergrad Universe Expansion = Drop in Gravity ?
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Graduate Black Hole - Dark Energy and Matter Question
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Graduate How much hydrogen has been consumed?
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Graduate Traveling to Alfa Centauri at 1/2 the speed of light
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