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 Mass of the Universe: What's the Real Number?
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Graduate Infinite universe and energy/matter boundaries
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Undergrad What are past values of the Hubble constant and is there an archive for them?
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Graduate Dark Energy as Gravitational Tidal forces?
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Undergrad Find Historical Critical Density Data
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Graduate Recent measurements suggest the universe it is flat and infinite
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Graduate Understanding the accelerating universe.
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Graduate How can we claim the Universe is 13.7 billion years old?
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Graduate Where Will Our Universe End? An Unanswerable Mystery
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Graduate Big bang , physical constants , possibilities
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Graduate Is the Universe an Expanding Wavefront?
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Graduate Alan Guth, Gravitationally repulsive material?
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Graduate What is the radiation pressure on Earth if the sun was replaced by a black hole?
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Graduate How could nothing is finite yet unbounded?
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Graduate Are Primordial Black Holes the Missing Piece in the Dark Matter Puzzle?
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Graduate Resurrection of the WIMP as DM candidate
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Graduate How can light be older than the universe itself?
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Graduate Is Time's Arrow Anomaly Explained by Planck's Constant? | Physics Concept"
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Graduate White Holes created our Universe
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Graduate Exponential potential for inflation
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Graduate Matter vs Antimatter: Why Does Universe Have More of the Former?
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Graduate Comparable size of the observable universe immediately after inflation
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Graduate Regarding graviton and negative energy
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Graduate Early cosmic inflation and the expansion of the universe.
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Graduate Standing in nothingness before the Big Bang
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Graduate Derivation of the quadrupole moment of gravitational wave
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Graduate Restframe U-V vs V-J colour-colour plot
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Graduate Are Most Galaxies on Collision Courses Despite Dark Energy's Influence?
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Undergrad If energy cannot be created or destroyed, what is the universe?
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Graduate Could the Big Rip Lead to Another Big Bang?
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Graduate Universe is fine tuned for life
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Undergrad Theories on the beginning of the universe before the Big Bang Theory
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Graduate Guth, Kaiser and Nomura versus Ijjas,Steinhardt and Loeb
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Graduate Entanglement of Higgs boson to explain dark energy
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Graduate How Do We Know the Universe Started from a Single Point?
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Undergrad Forming of our Galaxies or Atmosphere
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Graduate Any books that explain the origin of physics stuff after the Big Bang?
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Graduate In the beginning there was one force
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Graduate What is the significance of the Eridanus Supervoid in the universe?
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Graduate Could an eliptical galaxy exist with an axis of rotation?
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Graduate Comparing FLRW and Scale Factor Metrics
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Graduate Is Our Universe Truly a Hologram?
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Graduate Does Time Cease to Exist Without Matter?
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Graduate Pre-inflationary spatial curvature
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Undergrad Electromagnetic waves vs the laws
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Graduate Understanding the Linear Power Spectrum: How Do BAOs Create Wiggles?
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Graduate Uncovering the Formula for Overcoming Expansion in the Expanding Universe"
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Graduate Where have all the neutrinos gone?
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Graduate Deriving fate of the universe from Friedman's equations
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Graduate Infinite universe from a finite start
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Graduate I still don't understand singularities
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Graduate How Does a Dark Matter Halo Relate to the Clusters of Galaxies We Observe?
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Graduate CMB anisotropies and the ISW effect
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Graduate Scaling the Universe: How Would it Affect Physics?
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Graduate Can anyone make sense of this question.
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Graduate Boltzmann's multiverse and fluctuations
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Graduate How are dark matter, general relativity, and standard model related?
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Graduate Is the Universe Expanding Through Space or is Space Itself Expanding?
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Graduate How does matter form into galaxies during the cooling down period?
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Graduate Can Super Inflation Explain the Planck Anomalies?
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Graduate Dark matter build up near Black holes, thoughts?
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Undergrad First Radiation Occurrence: 380,000 Years After Big Bang
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High School Do i have this right now - mass of the universe
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Graduate Is the Big Collapse a Black Hole?
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Graduate Calculating Mass Density of the Universe with SDSS DR10 Quasar Catalog
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Undergrad Are there any analogies that are actually meaninful?
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Graduate Universe finite or infinite during the first instance of inflation?
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Graduate Feedback and Control Theory applied to Cosmology and Particle Physics
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Graduate Can the Big Bang Theory Be Experimentally Verified in Modern Physics?
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Graduate Velocity Cone in expanding universe
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Graduate Differentiating Redshift Type by Spectral Shift Signatures
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Graduate What would a Primordial super force look like?
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Numbers are infinite, so why would the universe not be infinite?
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Graduate The Observable Universe ve The Universe
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Undergrad New Theory: Moon Formation & Potential Venus Collision
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Graduate Tachyons and black matter/energy
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Graduate Can a closed universe expand forever?
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Graduate Inflation and Element Formation: Irreconcialble?
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Undergrad What Will Happen if Universe Stops Expanding?
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Graduate Seeking thorough derivation of Friedman equations
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Undergrad Unveiling the Universe: Understanding the Composition of Our Cosmos
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Graduate How did time behave while the universe expanded so rapidly?
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Undergrad Is Big Bang True? Physics and SR/GR
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Graduate What is the current evidence for dark matter?
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Graduate Curious inquiry about exotic matter
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Undergrad Why Do Galaxies Spin and What Role Do Black Holes Play?
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Graduate Is cosmology truly precise or is it just full of approximations and assumptions?
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Graduate Why wasn't the Big Bang an isotropic explosion?
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Graduate In the future, an Exobyte of astronomical data per day
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Graduate Inflationary Cosmologys effects on the strong nuclear force
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Graduate What factors affect the age of the universe?
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Graduate Which came into existance first: Energy or Mass?
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Graduate LUX Results: Trouble for WIMPs Dark Matter Models?
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Graduate Help with Friedman equations and density of energy
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Graduate Lower Bound On Dark Matter Mass Density
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Graduate Can We Poke a Hole Through the Fabric of Space?
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Graduate What is the equation for the amplitude of scalar perturbations ?
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Graduate What Caused the Small Flash in the New Bang Theory?
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High School Can Astronomy and Cosmology Bridge the Gap Between Creationism and Evolution?
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Graduate Will light get reflected at edge of space
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