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 Functional dependence of the size of the visible universe
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Graduate Debunking the Mathematical Proof Against the Big Bang Theory
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Undergrad Number of Particles in Universe: Protons, Neutrons, Electrons
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Undergrad Does Inflation Refer to the Expansion of Space or the Entire Universe?
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Graduate Does Isotropy Necessarily Imply Homogeneity in the Universe?
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Graduate Emergence of much smaller stars in early Universe?
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Graduate Where Does the 10^-35 s^-2 Cosmological Constant Value Come From?
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Graduate Excluding the Standard Model from Dark Matter?
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Graduate Article with good analysis of different models?
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Graduate A Question about the formation of white holes off black hole
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Graduate What is the limit of classical GR in describing the singularity of a black hole?
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Graduate How Do Direct Collapse Black Holes Form in the Early Universe?
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Graduate Where Can I Access a Database for Universe Mass Distribution and Movement?
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Graduate How to calculate the Age of the Universe, from observations
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Graduate Is Matter/Energy Eternal? Mechanisms for an Endless Universe?
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Graduate What does it mean by a flat universe?
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Graduate Distances for classical objects vs. photons
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Graduate Just for fun: recast the Friedmann eqn. to be about volume instead
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Graduate Can Anti Matter Galaxies and Black Holes Exist Together?
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Graduate Do clocks measure conformal time?
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High School Is Time an Illusion? A 13-Year-Old's Take on the Block Universe Concept
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Graduate Conformal symmetry of FRW spacetime
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Graduate Intuition Behind Scale Invariance Power Spectrum
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Graduate Penrose's cyclic universe - question
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Graduate Why isn't everything expanding in an expanding universe?
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Graduate Killing vectors and momentum conservation
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Undergrad Does the Universe Have its Own Clock and Period?
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Graduate Inside the big bang were their other sub big bangs?
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Graduate Does Chiral EM Asymmetry Imply Matter-Antimatter Asymmetry?
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Graduate Relationship betwen ##Ω_k## and ##k##
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Graduate Expanding universe - some thoughts
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Graduate Universe density in Hyperbolic Universe
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Graduate Litterature on Statistical Homogeneity and Isotropy
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Graduate Upper bound on the Inflation's e-foldings
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Graduate CMB , Spherical Harmonics and Rotational Invariance
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Graduate Referance Frame Calculating Newtonian Friedmann Equation
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Graduate What is the cause of space expansion in the universe?
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Graduate Universe from nothing, again....
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Graduate Can we be sure about there was nothing before big bang?
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Graduate Galaxy Acceleration: Unraveling the Mysteries of Dark Energy
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Graduate Will the time will eventually stop like a snapshot?
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Graduate Is "heavy nothing" already infinite or is it expanding?
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Graduate Does the Universe Have a Preferred Frame of Reference?
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Graduate Detecting the presence of other universes
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Graduate Boltzmann Brains: Are They Taken Seriously by Scientists?
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Graduate Can We See CMB Again If Universe Expands at a Constant Rate?
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Graduate Can Dark Energy Be Described as a Force?
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Graduate Time and Universe: Shedding Light on Dark Energy & Dark Matter
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Graduate What's the universe radius function
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Graduate Earth's velocity wrt CMB gives the centre of the universe?
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Graduate Baryon number conservation in early universe when T<m
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Graduate Explaining Universe Expansion Through Gravity & 3D Geometry
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Undergrad Is Earth the Center of the Universe?
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Graduate Cosmic strings account for primordial SMBH production?
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Graduate CMB polarization: the E and B modes
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Graduate Very Large Halo Around the Andromeda Galaxy
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Graduate Can time be a periodic function in GRFE?
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Graduate Universe: Is it Nothing? | Steven
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Undergrad If we consider the universe as bounded but infinite
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Graduate How does a particle's kinetic energy vary with a(t)?
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Undergrad Expansion of space in our neighborhood
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Graduate Primordial Neutrinos: Density & Temperatures
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Graduate Can the expansion of space affect the speed of light?
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Graduate Uncovering Krauss's Flaws: Analysis of Claims in a Universe from Nothing
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Graduate Farthest Object in Universe & Multiverse | Steven
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Graduate Lightcone 1.0 basic redshift article development
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Graduate Big Bang Temperature - What Was It?
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Undergrad Am I moving, or is space moving?
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Graduate How many cubic planck lengths are in the observable universe?
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Graduate Are there multiverse models with infinte regress?
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Graduate Simple no-pressure cosmic model gives meaning to Lambda
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Graduate Observational difference between OS and FLRW
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Graduate Do Dark matter and Dark energy interact?
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Graduate How Does the Universe Use Temperature Differences to Create Structures?
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Graduate Is the Multiverse of Cantor Dust a Viable Solution to Olbers' Paradox?
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Graduate Observing galaxies that recess faster than c
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Graduate How much energy do we need to make an expanding universe?
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Graduate Cold Spot in Cosmic Background Radiation
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Graduate How Do Gravitational Waves Affect Space-Time?
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Graduate Marcus's 'no-pressure' model in different jacket
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Graduate Life and matter in exotic spatial conditions
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Graduate How Do We See The Background Radiation?
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Graduate Standard candle - in question - affects distance estimates
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Graduate How can BAO and SN constraints be compared for measuring dark energy?
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Graduate Can a Single Particle Move in an Empty Universe?
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Undergrad How scientists have measured universe?
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NASA pictures of dark matter collisions
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Undergrad Much ado about (almost) nothing ?
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Graduate Looking for free downloadable articles on primordial He
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Graduate Can a radius of curvature be calulated from omega-k?
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Graduate Scientists observe potential signs of dark matter
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Graduate The End of Time: A Dimensionless Universe Explained
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Graduate Fitting a model to astronomical data
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Graduate CMB: How Was Matter Distributed Before Photon Decoupling?
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Undergrad Self-Contained Models of Big Bang: Explained for Laymen
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Graduate Light clocks measure conformal time - detailed argument
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Undergrad Where Did the Emptiness for the Big Bang Come From?
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High School How Does Time Expand? 9th Grade Guide
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Graduate Equilibrium at Universe (possible?)
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Graduate Explaining Energy in Cosmological Expansion: A Balloon Analogy
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