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 Why isn't Dark Matter involved in Weak Nuclear reactions during BBN?
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High School The observed spatial distribution of matter
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High School Before Big Bang: What Surrounds the Singularity?
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High School Gravity: Is it Spacetime or Mater-Dependent?
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High School What percentage of the universe do we know
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High School Entropy change during the formation and death of stars
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High School Combine a horizon line with expansion
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High School Shapes and gravitational radiation
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High School Coordinated galactic bangs instead of big bang
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High School What do you think of the "Now Hypothesis"?
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High School Graph of rotation curve of a cluster (not a galaxy)
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High School What is the initial temperature of the Big Bang?
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High School What came first, matter or energy?
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High School Regression of Universe: Is Time Repeatable?
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High School What is the significance of the spooky alignment among quasars?
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High School Are There Really Hundreds of Black Holes in NGC 6101?
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High School Why Quantum loop or string theory
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High School What is the next step in cosmology
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High School Can the space (or else measurable) be actually infinite?
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High School What cancel the quantum contributions in Cosmological Const?
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High School What is beyond the edge of the universe?
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High School The universe is shrunk a little bit more than we thought
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High School Question pertaining to dark energy
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High School Could Dark Matter Be the Fifth Fundamental Force of Nature?
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High School Does LIGO detect back ground noise
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High School Before the big bang video series
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High School How Did Light Originate After the Quark Epoch?
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High School Could a New Field Explain Dark Matter's Role in the Universe?
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High School Some more basic questions on Dark Energy
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High School How does the Universe's expansion relate to Newton's 1st law
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High School Explanation of the asymmetry of the Universe
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High School What caused the uneven distribution of mass/energy?
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High School Hubble flow and velocity addition
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High School Is the Speed of Light Dependent on the Size of the Universe?
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High School Is the Universe Finite or Infinite?
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High School The big bang singularity and black hole singularity
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High School Is the Galileon theory an alternative to GR
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High School Are universe and big bang considered to be the same thing?
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High School The speed of light and Hubble Flow
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High School Gravitational Waves & Dark Matter: Is There a Connection?
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High School If there is explosion with absence of oxygen?
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High School Acoustic Waves & Their Impact on Inflation: What You Need to Know
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High School Calculating Time to Reach 100,000 Trillion Meters in Hubble Flow | PF Forum
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High School Is the Age of the Universe a Coincidence?
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High School Who was the observer for the first 10 billion years?
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High School From a 4D perspective would 3D infinity exist?
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High School What is a quantum fluctuation....
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High School Understanding the Lagrange Points: What's Going Wrong with L2 and L3?
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High School How are neutrinos distributed in the universe?
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High School Are massive gravitons what ripple when galaxies collide?
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High School How can dark matter exist in a vacuum?
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High School How is the Age of the Universe Determined?
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High School Why is the age of the Universe finite?
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High School What Causes the 2.7 Kelvin Temperature in the Vacuum of Space?
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High School Is dark matter a sea of massive photons?
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High School Is the Variable Speed of Light Theory a Viable Alternative to Inflation?
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High School The universe is crowded with black holes
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High School Could the universe's Big Bang be 1D?
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High School Could LIGO Have Detected Dark Matter?
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High School Sgr A Relativistic Jets Visible?
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High School Hubble's Law: Explaining Why Distant Bodies Recede Faster
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High School Density of Black Holes: Unveiling the Universe's Secrets
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High School Is the universe expanding faster than expected
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High School Is Space Truly Expanding or Just a Pedagogical Tool?
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High School Infinite multiverse would contain the ridiculous?
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High School Is the concept of true distance compatible with relativity?
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High School What is the reason for galaxies fading in the distant future?
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High School What Is the Nature of Space and Its Infinite Possibilities?
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High School Universe is accelerating expanding
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High School Could Dark Matter be Time itself?
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High School How do we know we are not inside a blackhole?
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High School Data on time for fading of galaxy?
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High School Dipole pattern for Fine Structure Constant?
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High School Predicting the future of a deterministic universe
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High School Expansion of space and momentums of galaxies
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High School Will the Universe Eventually Go Dark?
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High School Question about the nature of Gravitation
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High School Why is the redshift not the result of something else
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High School Super-luminous Sphere Fading: Will Smaller or Larger Spheres Fade Away First?
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High School Does Time Reverse Inside a Black Hole's Event Horizon?
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High School At what point would we stop seeing a star?
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High School How to apply Einstein's STOR to expansion
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High School Is the Universe a Type of Fluid?
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High School Expanding from and eventually to a singularity?
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High School Hubble equation function of time
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High School Is expansion caused by unknown tension in space/time?
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High School Voyager 1 - image of 'Pale Blue Dot'
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High School How do physicist determine the energy of the universe?
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High School Have we observed antimatter in the early universe?
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High School Could dark energy just be caused by virtual particles
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High School Is Dark Energy Really Driving the Expansion of the Universe?
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High School Geometries of the Universe: What are the Most Accepted Models?
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High School What is causing the accelerated expansion of the universe?
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High School Does the Formation of Positive and Negative Mass Occur Throughout the Universe?
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High School What are the limitations of the heuristic picture of Hawking radiation?
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High School Is it possible for "nothing" to exist
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High School Could Another Big Bang Happen in My Hand?
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High School E=mc^2 & Universe Expansion - Answers Wanted!
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High School Entropy is greater in galaxies or pre atomic era
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High School Could Supermassive Black Holes Be More Common Than We Thought?
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