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 Kinematic Origin of Cosmological Redshift: Bunn & Hogg
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Graduate The Size of the Universe: Does 78 Glyr Radius Make Sense?
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Graduate If the big crunch theory is correct, Then wouldn't history repeat itself?
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Graduate Direct Evidence of Dark Energy (?)
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Graduate The constancy of the energy of the universe?
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Graduate Expansion acceleration an anomaly?
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Graduate The physical meaning of expansion in cosmology
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Graduate What is the level of precision in the universe?
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Graduate New model for the Shape of the Universe?
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Undergrad Does Hubble's law rely on the Doppler shift?
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Graduate Confused about space expansion? Me too.
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Graduate WMAP 5 Year Data Release: Cosmological Interpretation
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Graduate Distance and the Hubble’s Constant
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Graduate Axiomatic Universe: Philosophical Point of View
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Undergrad Narrowing Hubble's Constant - 8 year study concludes
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Graduate Is the Total Energy of the Universe Zero or Constant?
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High School Hubble's Law: Can somone be nice and answer this.
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Graduate Observing Quasar Accretion Disks: Scientists See Standard Cosmology at Work
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Graduate Could we expect that temperature of CMB decreases or increases?
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Graduate Does the fabric of space-time move faster than the speed of light?
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Graduate The Mystery of Superluminal Recession Velocities in Cosmology
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Graduate Interpreting Friedmann’s Equation?
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Graduate Big Bang, Life & Quark Stars: How Long Before We're Cool?
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Graduate Alternative cosmology: the arp-narlikar's variable mass theory
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Graduate How did the quantum fluctuations in the inflationary universe turned classical?
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Graduate Is the Copernican Principle Valid?
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Graduate The universe's boundaries and origins
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Graduate How Does Dark Energy Relate to the Cosmic Microwave Background?
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Undergrad Big Bang & Doppler Effect: Viewing Start of Universe?
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Graduate What Lies Beyond Our Observable Universe?
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Graduate Can Matter and Energy Travel Faster Than Light at the Big Bang?
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Graduate Is a Universe Without Matter Possible?
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Graduate Latest word from Lewis, Francis et all on radar ranging
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Graduate Is the End of the Universe Beautifully Explained in Krauss & Scherrer's Article?
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Graduate What is the accepted theory on universe expansion?
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Undergrad The Ultimate Spinning Universe: Does It End?
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Graduate What is the relationship between entropy and the universe?
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Graduate Forces Outside Our Observable Universe?
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Graduate Difference between expansion of space and objects just moving apart?
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Graduate Formation of Voids: Unclear Picture
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Graduate Most Distant Galaxy: Mysteries Explained
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Undergrad What does the theory of the big bang say about this
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Graduate Our Local Group's Microwave Background Radiation dipole
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Graduate Is dark energy really responsible for the expansion of the universe?
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Graduate Entropy & Cosmology: Arrow of Time Paradox
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Graduate How does the light from distant galaxies support the theory of the Big Bang?
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Graduate Does a finite universe make sense to you?
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Graduate Untangling the Implications of CMB for the Cosmological Model
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Graduate Could it be possible that gravity is the reason why the universe is expanding?
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Undergrad Expanding universe expanding atoms
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Graduate Does the Planck length grow with the scale factor?
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Graduate Terminology: Omega_0 = Omega_m? and more
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Undergrad Universe Expansion: Understanding the Speed of Light and Galaxies Far Away
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Graduate Red - blue shifts and stellar rotation
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Graduate Topology Q: Curved Space w/out Higher Dimensions?
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Graduate Beginning of space, time, matter, energy
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Graduate Is the universe a recycling bin? (Entropy)
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Graduate Is the Universe's Expansion Slowing Down or Speeding Up?
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Undergrad Are they moving faster than light?
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Undergrad A Layman's Question of the Big Bang
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Graduate The Time Evolution of an Infinite 3D Grid of Mass Particles
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Graduate Could the Big Bang Theory Be Incorrect?
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Graduate The Origin of the Universe: Unraveling the Mystery of the Big Bang
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Graduate Beyond Big Bang gets a bit more visible
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Undergrad Please tell me if im imagining this correctly.
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Graduate Unit of Measurement: Arbitrary or Dependent on Physical Laws?
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Graduate Does the Capernican Principle Apply to Pre-Big Bang Models?
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  • Poll Poll
Graduate Does the universe have infinite mass?
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Graduate What will happen when the CMB will raise the zero?
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Graduate Do Cosmological Tidal Forces Prove the Expansion of Space?
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Graduate Dark Energy & ZPE: How Can Wave Fragment Have Frequency?
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Undergrad Cosmic Microwave Background and Its Temperature
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Graduate Understanding Hubble's Law: Calculating Recession Velocity and Hubble's Constant
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Graduate Proof That the Universe is Electrically Neutral
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Graduate Is the Multiverse a Revolving Landscape of Universes?
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Graduate Does the accelerated Expansion add credibility to Steady State Cosmology?
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Graduate Does the coordinates of time cause the uncertainty in the universe?
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Graduate Big Bang Singularity: What Prevents Universe from Becoming Black Hole?
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Graduate Basic physics in remote universe (proton/electron mass ratio)
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Graduate Comments on the tethered galaxy propblem.
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Graduate Kinematic GR models of expansion
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Graduate Gravity's effects on primordial plasma
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Undergrad What Are the Best Forums for Discussing Non-Mainstream Cosmology Theories?
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Undergrad Black holes created the big bang?
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Graduate Big Bang v. Cyclic Universe models
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Graduate Is the Hubble constant, constant?
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Graduate MOND/MOG vs DM: Deuterium Abundance Constraints
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Graduate Spacetime diagrams and proper time
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  • Poll Poll
Graduate We are in a Schwarzschild black hole-T or F?
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Graduate Is the Radius of Curvature of the Universe Constant Over Time?
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Graduate Video lecture on Loop Quantum Cosmology
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Graduate How Do Vacuum Energy and the Cosmological Constant Influence Universe Expansion?
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Graduate Ripple deSitter universe-Randono cannonball analog
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Graduate A message from bBeyond the red horizon? or just more epicycles?
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Graduate Mystery of the "Cosmic Blank Spot": A Billion Light Year Void
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How to solve every physics problem ever and understand the universe
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Graduate Positive Curvature: Maximum Area of Equilateral Triangle
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Graduate How Relativity say about redshift in terms of curvature?
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Graduate Can String Theory Explain Quantum Gravity and Fundamental Constants?
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Graduate Szapudi reasons to drop alternatives to dark energy
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