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.
Undergrad What Is the Shape and Expansion of the Universe?
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Graduate Can the big bang be explained by a rearrangement of nothing?
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Graduate Looking for simple answers gravity and time
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Undergrad Which model of the Universe is most accurate according to Alan Watts?
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Graduate Is time stopped inside a black hole?
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Undergrad Why is the Milky Way a bared galaxy?
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Graduate What will the universe be composed of
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Undergrad What is the relevance in knowing that the universe for example is expanding?
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Graduate A new cosmological model (re are we living in a black hole)
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Graduate Timing of the big bounce in eternal inflation
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Undergrad Olbers Paradox and The Sherwood Forest
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Graduate What Caused Inflation to Cease in the Early Universe?
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Graduate Critical Density: What Is It and Where Does It Come From?
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Graduate Value for redshift change in acceleration
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Graduate What gave rise to cosmic inflation of the early Universe?
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Graduate What Are the Common Misconceptions About the Big Bang Theory?
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Graduate Is the Universe a Black Hole?
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Graduate Shape, structure, and nature of the universe - questions/theories
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Graduate Does vacuum energy gravitate and cause the universe to accelerate?
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Graduate What happened to all the Anti-Matter
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Graduate Realspace and redshift space correlation function questions
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Graduate Eternal Inflation: Check Understanding & Ask Qs
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Graduate Temporal finitism is wrong in assuming the beginning of time.
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Graduate What Role Do Dark Matter Filaments Play in Cosmology?
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Undergrad Lumpiness & Disorder: A Physics Comparison
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Graduate Why is there still mostly hydrogen in pop I and II stars?
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Graduate How Does Galaxy Spin Help Us Understand Dark Matter?
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Graduate Dark matter, dark energy, and the Kerr metric?
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Undergrad Does Dark Matter Affect the Speed of Light?
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Graduate Could Inflation Create a Universe from a Pre-Existing De-Sitter Vacuum State?
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Graduate How inflation solves the horizon problem
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Graduate Is redshift unreliable as a measuring tool?
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Graduate Isn't a Cosmos Made from Nothing Self-Consistent?
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Graduate Reference for scalar-vector-tensor decomposition of perturbations
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Graduate The Earliest Time of Life in Universe
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Undergrad Blue shift galaxies and the expanding universe
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Graduate How does eternal inflation explain the force behind inflation?
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Graduate Exploring Dark Energy and Quantum Gravity with Atom Interferometry
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Graduate Why would inflation slow down because of gravity?
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Graduate AntiMatter/Matter balance in the Universe
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Graduate Explaining universe based on purpose/source
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Graduate Seeing Earth's Formation - Can We?
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Graduate Particle based multiple universes?
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Graduate Can the Universe Ever Truly Reach Heat Death?
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Graduate Is It Possible to Measure the Universe Before the Big Bang?
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Graduate Local effects of universal expansion
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Undergrad Which Universe Model is Most Widely Accepted?
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Graduate Formation of neutron stars and black holes.
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Graduate Is the Rate of Spacetime Expansion Faster Than the Speed of Light?
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Graduate A questions about black holes among other things
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Graduate Free energy or an infinite universe, which one is it?
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Graduate How Does Universe Uniformity Evolve Over Time?
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Graduate Black holes, a simple theory, has it been looked into
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Graduate Block Universe Theory: What Happens to Consciousness?
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Graduate Why do we assume that the big bang implies a begining of time?
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Undergrad Does Chaos Theory Refute Evolution?
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Undergrad Expanding Universe: What Drove Early Universe Expansion
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Graduate Universe expansion really speeding up?
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Undergrad Does Einstein's Static Universe Theory Disprove the Big Bang?
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Graduate Universe Expansion - Terminal Velocity?
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Graduate If we take bigger and bigger volumes
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Graduate Eternal inflation and topology of the universe
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Graduate Spacetime Expansion in Big Bang 100% Certainty?
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The formation of our Universe as we know it
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Graduate Dark Matter: Can It Stop Universe Expansion?
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Undergrad The Origin of the Universe: Big Bang, Explosion, or Something Else?
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Undergrad History of Black Holes: Formation and Timing After the Big Bang
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Undergrad Why Does t=1/H Represent the Age of the Universe?
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Graduate Can Non-Standard Coordinates and Dimensions Explain Dark Matter?
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Graduate Is There a Total Electric Charge for the Universe?
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Graduate Evidence for orgin of CMB primary anisotropies
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Graduate How Do Einstein's and Modern Cosmological Constants Differ?
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Graduate The present expansion of the universe
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Graduate I from a cosmologist big time. (questions about relic densities, etc.)
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Graduate Is the universe governed by simple law?.
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Undergrad Does this article prove that parallel universes exist
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Chaotic universe where chance and probability rule
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Graduate Acceleration of expansion as unknown reddening bias
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Graduate Are Sterile Neutrinos the Key to Dark Matter?
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Undergrad How Can an Infinite Universe Expand?
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Graduate Universe Expansion & The Speed of Light
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Graduate 13.1 billion light years object observed.
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Undergrad Type 1a Supernovae and Dark Energy
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Graduate Do Dark Matter Particles Cool Over Time Due to the Stretching of Space?
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Graduate Is Dark Matter Composed of Micro-MACHOs?
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Graduate Big bang ordinary explosion, evidence for expansion of space?
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Graduate Light reflection from edge of universe
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Undergrad Space & Big Bang: Was the Marble in a Universe of Time & Space?
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Graduate Question about an infinite number of universes
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Graduate Anthropic principle and the time we find ourselves in
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High School Does the concept of annihilation explain the existence of our universe?
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Graduate Fate of Universe: Heat Death, Big Crunch, etc.
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Graduate Apparent Size of CMB Primordial Anisotropies
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Graduate New red dwarf count and He-4 abundance
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Graduate Is the Universe a Wave Accelerating towards a Peak?
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Undergrad Dark Matter: Is Gravity from a Central Mass or Cumulative Effect?
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Graduate The Role of Observation in the Creation of the Universe: A Quantum Perspective
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Graduate Can a universe exist with no matter?
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Graduate Zero Energy Universe: Examining Conservation of Energy in Cosmology
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Graduate How can the distance duality relation be derived in a model-independent way?
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