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 Can LQC be distinguished from normal inflation through observational windows?
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Graduate Predicted Heat Death of the Universe
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Graduate Phase Space & SM: Universe Defined?
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Undergrad Black Holes: Gravity & Formation Explained
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Graduate What Are the Implications of Unfalsifiable Theories Beyond the Big Bang?
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Graduate Did Time Exist Before the Big Bang?
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Graduate Dark matter particle search at CERN vs cosmology simulations
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Graduate Newtonian Friedmann Equation, Referance frame, Homogeneity
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Graduate Why Photons Can't Explain Dark Matter
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Undergrad How do we know the universe is infinite?
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Graduate What actually happens when the black hole takes the photons
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Insights LCDM Cosmological Model in Simplified Math (Part 3) - Comments
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Insights Approximate LCDM Expansion in Simplified Math (Part 2) - Comments
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Graduate Expansion is a compounded error based on a wrong assumption?
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Graduate Variable Speed Of Light In General Relativity
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Graduate New Theory: Dark Matter Acts Like Pion - Evidence Found
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Undergrad How do they know distance of the original standard candle?
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Graduate Critical density: question correction
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Graduate From Aeon to Zeon to Zeit, simplifying the standard cosmic model
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High School Does theory of expansion effect gravity?
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Graduate Utility of observational Hubble parameter data on DE
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Graduate Cumulative number counts of galaxy clusters
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Graduate Why do we believe dark matter exists?
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Graduate What's the Dark Matter Density in Universe?
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Graduate Does space expansion affect the rate of time?
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Graduate Non-Flat ΛCDM Model: Consistency with BOSS Result on Universe Curvature
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Insights Approximate LCDM Expansion in Simplified Math - Comments
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High School Newbie question.... The Big Bang & The Observable Universe (and time)
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Graduate Similarities and differences Black Holes and Big Bang
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Graduate Is Dark matter homogeneous in Universe?
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Graduate Has the Cosmological Constant Mystery Been Solved?
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Undergrad Big Bang Expansion Creates Planets?
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Graduate Proportions and other Stuff about Expansion
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Graduate So my question would be: Is Dark Matter a superfluid?
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Graduate Why isnt the universe full of quark stars?
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Undergrad How Do We Determine the Original Color of Light from Distant Galaxies?
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High School Does the Sun Spin? Answers Explained
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Graduate FRW metric, convention misunderstanding?
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Graduate Why do we believe gravity to be a weak force....?
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Graduate The LCDM Cosmological Model in Simplified Math
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Graduate Question about speed of light and information
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Graduate Can the mathematical equations in cosmology truly describe the real world?
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Graduate A layman's guide to the accelerating expansion of space
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Graduate Coordinate conditions in cosmology
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Graduate Simple explanation of the Boltzmann Brain paradox
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Graduate Why must dark matter interact weakly?
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Graduate Something about calculating the Age of the Universe
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Undergrad Hubble's Law and Hubble's Constant
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Graduate Do geodesics of measure zero allow past-eternal inflation?
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Graduate How do we know black holes exist beyond the theory of relativity?
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Graduate New approach to cosmological bulk viscosity
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Graduate What Other Theories Exist for Modifying Gravity Besides Mond?
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Graduate Dark matter, Mach's ether and the QCD vacuum
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Graduate Thermodynamics at the apparent horizon of the universe
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Graduate CMB at 50: Princeton early universe panel discussion
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Graduate Kinetic equilibrum and chemical equilibrium
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Graduate Any solid theories re: where it all came from?
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Graduate Isn't space expansion logically required?
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Graduate Size of the visible/observable universe
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Graduate What Does Lambda Represent in Cosmology's Expanding Universe Model?
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Graduate Are Universal Oscillations Causing Changes in Cosmological Expansion?
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Graduate Solidity & Illusion: Is Universe Solid or Illusory?
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Graduate How Does the Expansion of the Universe look?
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Graduate Does universe expansion separate photons, traveling parallel?
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Universe Splitter iPhone App: Randomly Split Universe?
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Graduate Spatial Expansion Interpretation with Quantum Graphity Model
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Graduate Does Infinity mean 'potential' Infinity?
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Graduate Baryon oscillation peak a cosmological standard ruler
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Graduate Are there current efforts on ritz-type cosmology?
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Graduate What force is needed to overcome expansion?
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Graduate NYT: David Sobral et al "CR7" PopIII galaxy article
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Undergrad Understand 5th Dimension: Get Help Understanding 4th Dimension
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Graduate Could Velocity Exceed c in Comoving Worldlines?
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Graduate Is Time Measured Differently Due to Time Dilation Since the Big Bang?
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Graduate Marginal evidence for cosmic acceleration from Type Ia SNe
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Graduate Infinite Universe and Parallel Universes
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Graduate Could Lee Smolin's Fecund Universes Theory Solve Black Hole Information Paradox?
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Graduate Speed and / or expansion rate of the Universe?
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Graduate Gravitational Slowing Justified in Flat/Near-Flat Universe
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Graduate Introducing the Model T time unit "Lizzie": key to H_infinity
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Graduate Evidence that time and space began at the instant of the big
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Graduate Test set-up for full dark matter simulation
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Graduate Does the Expansion of the Universe Affect Thermal Equilibrium?
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Graduate Properties of an evolved universe
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Graduate Can the CMB Reference Frame be Changed in the Newtonian Friedmann Equation?
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Graduate Radiation dominated universe in Newton's approximation (no )
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Graduate Inflation & Pertubative 1st order Cosmology: A timeline?
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Graduate Age of universe -- Probability why it is so young?
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Graduate Does the Equation 1=Ω_k+Ω_m+Ω_Λ Hold for All Universe Types?
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Graduate Chemical potential equilibrium cosmology
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Graduate Early Universe Black Holes: A Challenge to Standard LCDM?
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Graduate Adiabatic perturbations -- why the name?
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Graduate Why Does Everything in the Universe Rotate?
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Graduate Integrated Boltzman equation for dark matter
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Graduate Recent Early Universe Cosmology Review - Funding Essay
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Graduate Interpretting the cosmological constant
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Graduate The impossible early galaxy formation
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Graduate Does universe expansion create new points in space?
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Undergrad Will future stars create new elements through evolution?
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Graduate Massive primordial tensor perturbations?
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