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 The Universe: 4 Forces Constant Forever?
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Graduate Curvatue Cosmology for a static stable universe
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Graduate Inflation and Assuming the 'just so'
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Graduate The Origin of the Universe: A Matter of Energy and Motion?
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Graduate Looking back in time to the big bang
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Graduate Calculate Redshift Where Radiation and Matter Energy Densities Equal
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Undergrad Why Is Helium Important in the History of Star Formation?
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Graduate Understand Time Measurements After Big Bang
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Graduate Calculating age of the universe using redshift?
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If the universe is infinite, are there planets made out of swiss cheese
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Graduate Fate of Universe: Is c/H an Asymptotic Singularity?
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Undergrad Can White Holes Form Naturally or Are They Only Theoretical?
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Could a Billion-Year Technology Gap Exist?
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Graduate Perhaps we live in a black hole?
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Graduate Is the Universe Both Flat and Accelerating?
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High School Can We Overcome the Challenges of Space Travel Beyond Our Solar System?
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High School Catastrophic event stopped growth of galaxy{ON News}
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Graduate What ideas does the discrepancy of CMB photons affect?
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Undergrad Why are people saying that the radius of the observable universe is 46.5 ly
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Graduate Paradox of the Universe - Physics or Voodoo Philosophy?
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Graduate Understanding Entropy: Speculations on the Properties of Our Universe and Beyond
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Graduate Changeover from deceleration to acceleration
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Graduate Cosmic background radiation - redshift, blueshift, anisotropies
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Graduate What is the role of gravity in the cosmological redshift?
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Graduate Dark energy as an entropic force?
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Graduate How can all the matter in the universe start out as one point?
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Graduate No Boundry Proposal: Hartle & Hawking's Theory Explained
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Graduate Is Gravity Weakening as the Universe Expands?
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Graduate Can Quantum Tunneling Enable Faster-Than-Light Communication?
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What is the single most important thing for life to exist in the universe?
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Graduate There is no such thing as empty space in an atom. True?
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Graduate Copernican Principle and Metric Expansion
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Graduate The Big Bang.. just one little question
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Graduate The formation of Galaxy Clusters from density fluctuations in the early Universe
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Undergrad Universe expansion, then deceleration, then acceleration?
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Undergrad Visualizing daily life through broader EM spectrum
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Graduate Confusion with conversion for the Hubble Constant
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Graduate Blackholes In The Early Universe
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Graduate Effective universe cutoff at z=1.73, is this circular logic?
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Graduate Dark matter: galaxy vs. super-cluster evidence
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Graduate What changes the rate of inflation
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Graduate Could Expansion Explain Gravity Mathematically?
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Graduate Unraveling the Mystery of the Universe's Dimension: Is it a Membrane?
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Undergrad *quantitative* fun with the cosmos (easy)
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Graduate Finite Big Bang, Infinite universe?
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Undergrad Critical Expansion Rate: The Key to Understanding the Evolution of the Universe
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Graduate Big Bang - galaxies not mapping onto a point
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Questionable article in Scientific American?
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Undergrad A small finite universe and some wierd thoughts from it
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Graduate Current eff. universe limited to redshift 1.73
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Graduate Constants and multiverse possibilities
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Graduate Can we see the earth in the past ?
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Graduate Formula of anti-gravitational force
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Graduate Finite Universe: Why Postulate an Infinite Universe?
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Graduate Center of the Universe (thought experiment)
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Graduate Can We Truly Conceptualize Quantum Particles and Four-Dimensional Space-Time?
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High School Big Bang: Is this statement true?
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Undergrad Is Anything Else Expanding Like the Universe?
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Graduate How exactly can CMBR tell us universe age
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Undergrad Question regarding movement of universe
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Undergrad Question: What is our solar systems galactic position?
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Graduate Expansion of space or accelerating speed?
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Undergrad Two Black Holes: Reactions and Behavior
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Graduate Smolin's two predictions, circa 2006, True ?
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Graduate How did scientists use WMAP to determine the flatness of the universe?
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Graduate Will it ever be possible to create Matter from a large source of energy ?
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Graduate Could the Early Universe Have Collapsed into Black Holes?
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Graduate Origin of the Universe - Byteland.org
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Graduate Is the temperature of the universe affected by inflation?
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Graduate Michio Kaku, Parallel Universes, and Galactic EZ Bake Ovens
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Graduate Energy conservation in an expanding Universe
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Graduate Big Bang Big Schmang, astronomical redshift is an artifact of distance
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High School What are some theories of the creation of the universe?
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Undergrad What is the force of gravity between Andromeda and the Milky Way?
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Graduate Big Bang supposedly set matter and energy
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Graduate The First Particles After the Big Bang: What Do We Know?
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Undergrad Wavelengths increasing with space?
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Graduate Question on redshift/expanding universe
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Graduate Can the Big Crunch Theory Allow for Time Reversal?
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Graduate Limiting value of Hubble constant
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Graduate 7-year WMAP data: cosmo implications
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Graduate Unraveling the Mysteries of Vacuum Genesis
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Graduate The Universe's Possible Cyclic Existence
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Graduate Is Gravity Truly an Entropic Force in the Universe?
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Eternal Universe - What Do You Think?
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Graduate Omega Point Theory: Plausible or Pseudoscience?
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Graduate Detection of gravitational waves
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Graduate The Universe Exists Because It Has To
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Undergrad Does Hydrogen Alone Lead to Life in the Universe?
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Graduate What Are the Current Controversies in Quintessence Theory?
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Graduate Dark Energy in Light of the Cosmic Horizon
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Graduate Is It Possible to Create a Universe in a Laboratory?
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Graduate Big Bang or Big Bounce: Which Theory Explains Our Universe Better?
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Graduate Universe smaller than wavelengths?
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Graduate Infinite universe filled with uniform dust
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Graduate How Does Heisenberg's Uncertainty Principle Relate to the Big Bang?
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Graduate Could Savant Minds Unlock New Insights in Physics?
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Graduate Modeling Light Geodesics in FLWR Metric: Trajectory and Convergence Analysis
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Graduate Can the Universe Cause Itself to Exist from a Physics Perspective?
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Graduate How Vast Is the Universe Beyond 50 Giga Light Years?
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