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 Why not steady and Quasi staedy state?
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Graduate Is cherry picking evidence a hindrance to scientific progress?
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Graduate Questions about the Universe: Big Bang, Dark Matter & Expansion
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Graduate Could a Collapsing Universe Result in a Cosmological Blueshift?
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Graduate Baryon density of the universe at recombination epoch
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Graduate A question about distance and time(2nd)
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Graduate Is the total energy of the Universe Zero?
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Graduate Intuitive problems with the standard model
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Graduate Fine tuning - island of stability of our world
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High School Universe is made of baryonic matter
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Graduate Understanding the Role of Space as the Background for Light and Gravity"
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High School Info 'bout black holes, and is there one in the center of the galaxy?
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Graduate Supernova Ia Spectrum | Understanding Dark Energy
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Undergrad How universe gradually becoming flat?
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Graduate Unveiling the Real Age of the Universe: Could It Change Our Thinking?
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Graduate Cosmological Constant or Quintessence
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Undergrad How does a parsec relate to the age of the univers?
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Graduate How do astronomers look at historic CMB?
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Graduate Unpacking the Validity of the Second Law of Thermodynamics: A Scientific Inquiry
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Graduate Calculating Wavelengths of Redshift in Cosmology
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Graduate Tighter bounds on cosmo parameters (Chandra Cluster Cosmology Project)
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Graduate Dark Energy: Supernovae Ia, Vacuum Energy & Quintessence
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Graduate Doughnut-shaped Universe: Astronomers say Universe is small and finite
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Graduate Exploring the General Form of FLRW Metric
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High School A question about distance and time
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Graduate Size of the universe from a different perspective
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Graduate Space-Time Topology Theory: Learn About Popular Theories
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Graduate Is Gravity Geometry or Quantum in Nature?
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Undergrad Conversion of healpix fits file to normal fits file
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High School Is it possible to reach absolute zero?
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Undergrad Dark Energy Project: Studying the Universe
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Graduate Our sources of fear/anguish; permitted by the physical universe.
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Graduate Is the CMBR Truly Uniform?
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Undergrad "Estimating the Age of a Black Hole"
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Graduate Where is the energy coming from to push space apart?
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Graduate Ways to accommodate modern cosmology
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Undergrad Understanding Gravity Waves: Detected or Theoretical?
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  • Poll Poll
Graduate Which from scratch? (group survey)
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Graduate Is the Net Density of Any Space Interval Ever Zero?
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Undergrad Google calculator impact on basic cosmo explanations
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Graduate Modelling density as a function of time?
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Graduate Conservation of angular momentum
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Graduate Questions about Black Holes And Time
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Graduate Dimensions greater than the third?
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Undergrad The Stephan's Quintet and Arp's Theories
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Graduate What Are the Six Puzzles Challenging LCDM Cosmology?
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Graduate Dark energy, vacuum, and uncertainty
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High School Big Bang Questions: How Did Earth Form?
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Graduate Age and structure of the Universe
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Undergrad Cosmology Paper Ideas: Need Help!
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Graduate Explore the Mysterious Dark Photon
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Graduate Why Does Dark Matter Cause the Flattening of Galaxies' Discs?
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Graduate Mysterious Motion of Galaxy Clusters Detected
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Graduate Calculating Observable Universe Mass in the Lambda-CDM Model
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Graduate Building a Universe: Is Matter, Energy Purley Information?
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Graduate Is the Universe Homogeneous or Isotropic?
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Graduate Large-scale Cosmic Flows & Moving Dark Energy: Beltran Jimenez & Maroto
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Graduate Big Bang vs Black Hole Singularity: Matter Compressed?
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Undergrad Understanding how energy disappears
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Undergrad The Fourth Dimension: Introduction to a Book
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Graduate Create a large number of positrons in a small laboratory
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Undergrad Can you mathematically prove z = v/c?
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Graduate Help with velocity/redshift/distance law
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Graduate Impedance mismatch at the universes edge
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Graduate Gravity in 2D Universe: 1/r Decrease?
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Graduate Superluminal Speeds and All That Jazz
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Graduate Intergalactic Medium: What Is It & What Does It Mean?
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Graduate A Realistic Cosmological Model: 90 Years of Development
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Graduate Geometry of the Universe varying in time?
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Undergrad Accelerating Universe: Value of Acceleration?
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Graduate What basic cosmo stuff can you calculate from two numbers and two equations?
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Graduate Universe started from a cosmic singularity
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High School How much of Einstein Online have you read?
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Graduate CNB (Cosmic Neutrino Background)
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Graduate Quantum cosmo test prospects (sampling the literature)
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Graduate Solving Cosmic Age Problem with Interacting Dark Energy Models | arXiv:0809.3627
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Graduate Why does the universe has such a huge amount of Energy?
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Graduate I am grappling with a big-rip scenario. Anyone knowledgable:
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Graduate Could Our Universe Be Just One of Many in a Multiverse Shaped by Dark Energy?
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Graduate CMB Particle Distribution: Shell or Ball?
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Graduate Space is NOT expanding. Where are the holes in this simplistic view?
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Undergrad Could a Supermassive Black Hole Destroy Our Galaxy?
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Undergrad Explore the Holographic Universe Theory
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Graduate Black Hole's Event Horizon dia. and Internal Mass dia. relationship.
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Graduate What Does 'The Mystery of the Missing Antimatter' Say About Antimatter Scarcity?
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Graduate CMB Clarifications: Understanding the Impact of Expansion and Temperature Shift
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Graduate How can we be sure of a singularity?
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Graduate Are Singularities One-Sided in Terms of Time?
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Comments about an issue in cosmology?
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Graduate Is Matter Re-Emitted After Absorption by a Black Hole?
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Graduate Looking back in time to the Big Bang
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Graduate Cosmological Inflation: Theory and Observations
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Graduate Can the Universe explain itself?
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Graduate Cosmology and Energy Quantization in Matter
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Undergrad Gonegahgah's rubber sheet example
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Graduate Help w/ Logic Behind Numbers & CMB Photon Expansion
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Graduate Multi billion dollar experiments
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Undergrad How far can the universe stretch before it reaches its limits?
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Graduate Is Peter & Pinto-Neto's Non-Singular Bounce the Future of Cosmology?
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Graduate What is the size of the Universe when it was only 470 million years old?
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