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.
High School What Are Common Misunderstandings About the Big Bang Theory?
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Undergrad Universe from Nothing: Cosmological Theory Explained
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Undergrad Can Dark Matter just be vacuum fluctuations?
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Undergrad Thought experiment: Communication beyond the particle horizon
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High School Final Temperature of the Universe: Effects of Dark Energy and Spatial Curvature
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High School Could redshift be caused by time speeding up?
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High School Is Space Infinite? Examining the Big Bang Theory and the Curvature of Spacetime
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Undergrad "Dark energy" may be nothing more than baseline curvature
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High School How Did the God Particle Explode to Create Our Universe?
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Undergrad Hypersphere mock-ups for educational purposes
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Undergrad CMB Radiation Q: Can It Be Detected from 42 Million Light Years?
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Undergrad Cosmology Large Angular Scale Surveyor
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Undergrad Dark Matter Detection Experiment Results?
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Undergrad Does The LCDM Model need reworking?
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High School Challenge to humanity to see beyond and further than the CMS
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Undergrad Dark energy and the gravitational constant
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Undergrad Monopole Creation and Higgs Field
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Undergrad Can Energy Naturally Convert to Matter in the Universe?
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High School Understanding the Flat Geometry and Curvature of the Universe
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Undergrad Is the following a smaller version of dark energy?
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Undergrad Current views on what happens at largest and smallest scales
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High School Hubble breaks the distance record with a redshift of 11.1
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Undergrad Deriving the second Friedman equation from the first.
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High School Will super symmetry become part of cosmology
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Graduate Having Trouble Plotting the Cosmic Shear Power Spectrum Kernel?
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Graduate What are the implications for dark matter searches and supersymmetry?
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High School Gravitational Radiation: Effects on Objects & Black Holes
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Graduate Was there more galaxy clustering in early Universe?
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Graduate How Does Geometry Influence Our Understanding of the Universe?
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Graduate How Does Dark Energy Influence the Expansion of Our Universe?
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Graduate Multiverse theory and Dark Matter
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Graduate How is the redshift of gravitational wave events measured?
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Graduate Gravitational waves, distance and space-time
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Graduate Is SUSY the next big step in cosmology
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Graduate What happens to energy of the stars?
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Graduate What is a finite and bounded universe and how do scientists envision it?
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Graduate Are there a regions of space with no gravity?
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Undergrad Does age of Universe reveal its size?
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Graduate Is Numerology the Key to Understanding the Universe?
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Undergrad What If I Were Able to Remove All Matter From the Universe?
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Undergrad Gravitational waves due to Big Bang?
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Graduate F(R) gravity and the Hubble parameter
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Graduate Question on gravitational waves and redshift in BH coalesce
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Graduate Question: Accelerating Universe = Net Positive Energy?
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Graduate Perception of time, gravitational waves.
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Graduate When is the peak energy of gravitational radiation
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Graduate Accurate Measurement of Cosmological Constant Value
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Graduate Clearing up my Cosmological Confusion - what is expanding?
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Insights LightCone7 Tutorial Part III - How Things are Computed - Comments
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Graduate The big bang was a fluctuation of what?
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Graduate Did an explosion of a Black Hole make the Big Bang
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Graduate What are the properties of de Sitter space?
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Graduate Dark Energy Constant: Is It Constant or Increasing?
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Graduate How are dark energy and matter quantified?
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Undergrad Getting a feel for how much the Universe expands
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Undergrad Has time always ticked the same?
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Graduate Is the LCDM Model Challenged by Evidence of Running Cosmic Vacuum?
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Undergrad What is dark matter/dark energy? Are there differences?
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Undergrad Observational evidence for expansion of universe....
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Graduate Is Time Reversal Possible? New Research Challenges Long-Held Assumptions
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Graduate Proper distance for co-moving bodies
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Graduate Expansion of the universe and quantum perturbations
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Graduate Can Anyone Explain the Spin Foam Model in Simple Terms?
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Undergrad Does the mass of subatomic particles differ on different planets?
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Graduate Ending point for initial condition theories
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Undergrad Ability to measure distances with parallax versus size
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Graduate Gamma rays unlikely to originate from Dark Matter
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Graduate Understanding Virialized Dark Matter Halos in Galaxy Formation
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Graduate What was the role of Hawking Radiation in the early universe?
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Graduate Is Dark Energy Really Necessary for Explaining Cosmic Expansion?
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Insights Knut Lundmark and the Prehistory of Dark Matter - Comments
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Insights LightCone7Combo Tutorial Part II - Charts - Comments
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Graduate Expanding space or contracting matter?
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Undergrad Another newbie question: paradox: size vs. age
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High School Orbits in Universe: Milky Way, Sun, Moon & More
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Undergrad How does the expansion of the universe work?
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Graduate Gaussian vs. non-Gaussian fluctuations
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Graduate CMBR, Dark Matter: Unraveling What it Means
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Graduate What are Black Hole Singularities: Physical or Mathematical?
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Graduate Comments - Inflationary Misconceptions and the Basics of Cosmological Horizons
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Graduate Is space an entity, a relationship or a concetual framework?
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High School What Is the Evidence for Dark Matter and Dark Energy?
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Graduate Does this dynamic model complement the Balloon Analogy?
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Graduate What constitutes negative and positive energy
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Undergrad Question Concerning the Rate of Expansion
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Graduate Dark Energy in Relation to Spacetime
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Graduate Did Black Holes appear in the first billion years?
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Graduate Space-Time Distortion and Warp-Drive
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Graduate How Does Normalization in LightCone7zeit Enhance Cosmological Graph Comparisons?
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Insights LightCone7Combo Tutorial Part I - Comments
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Graduate Supermassive black hole evolution
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Undergrad Calculating Relative Brightness of Type Ia Supernovae
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Graduate Speed of light from BB to present day
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Graduate Speed of light/electromagnetic waves is constant?
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Graduate Sigma_8 and n_s Cosmological Parameters
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Insights Can We Tell Whether the Universe Is Rotating? - Comments
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Graduate Question regarding Friedmann equation
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Graduate The Simpson-Hawking Donut Universe
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High School Can Cosmology Be Experimentally Verified?
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Graduate Black hole singularty definable In 3D space?
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