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 Stars born in clusters, found in single
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Undergrad Evidence of Expansion: Redshifting of EM Radiation
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Graduate Antimatter (in relation to earth)
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Graduate Supergalactic cluster waves and geological cycles
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Graduate Does recent expansion change the predicted CMB temperature?
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Graduate Hey guys, this is my theory of blackholes and how new parallel universes
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Undergrad Are Distant Galaxies Composed of Matter or Anti-Matter?
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Graduate How do we deal with theories that are hard to prove or falsify?
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Graduate Challenges in Understanding Dark Energy and Dark Matter: A Scientific Inquiry
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Graduate If you were to create a universe
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Graduate Is mass constant or does it increase due to expansion of the universe?
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Graduate Evidence for Expansion Velocity change
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Graduate CMB SLS one instant or over a period of time
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Undergrad Angular Momentum and the Big Bang
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Graduate What is the composition of the universe according to WMAP?
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Graduate Milky Way excess Microwave Radiation
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Undergrad Understanding the Expanding Universe: The Role of Energy and Acceleration
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Graduate What is wrong with this argument?
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Graduate How Do Earth's Uneven Gravity Fields Affect Spacecraft Flybys?
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Graduate Reverse Universe: Investigating Deductive Conclusions from Reversible Laws
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Undergrad Is There Any Difference Between A Stretching or Expanding Universe?
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Graduate Can a Black Hole's Event Horizon Ever Collapse in on Itself?
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Graduate Does Time Slow Down in a Black Hole?
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Graduate Find out how much the universe grew by during the period of inflation
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Graduate Gravities effect on the boundaries of the Universe
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Graduate Question about light getting sucked into a black hole
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Undergrad Question about gravity and density
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Graduate Could Particles be just distortions in Space?
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Graduate Expanding universe or shrinking space(-time)
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Graduate Could the Big Bang Be a Collision of Parallel Universes?
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Undergrad Does Gravity Act Faster Than the Speed of Light?
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Help me to find the article, please
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Graduate Energy can be conerted into matter
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Graduate Is this even scientifically possible?
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Graduate Present distance to surface of transluminal expansion
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Graduate Do voids in the Universe influence the orientation of galaxies?
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Graduate Reverse Universe: Acceleration and Time Reversibility
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Graduate Cosmology inequality that I'm struggling to make sense of
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Graduate Redshift, Quantum Theory, and the Standard Model
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Graduate Unraveling the Mystery of the Expanding Universe
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Graduate Cosmology Raw Data: Access Unanalyzed Experiments
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Undergrad Uncovering the Mystery of the Universe's Blinding White Light
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Undergrad Regardless of an expanding universe
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Graduate Answering Dumb Questions about Universe Expansion and Gravity
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High School Is hydrogen the key to the universe's survival?
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Graduate How Do Observers Measure the Universe's Age and Size in Cosmology?
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Graduate Is the Universe Analog or Digital?
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Graduate Is the CMB dipole influenced by the recession velocity of the CMB?
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Graduate What are the effects of falling matter on a black hole and its event horizon?
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Graduate Can We Truly Define the Largest and Smallest Structures in the Universe?
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Graduate Could the Big Bang Be the Middle of the Universe?
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Undergrad Mass-dominated vs. radiation-dominated.
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Graduate How to measure the CDM power spectrum?
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Graduate Is the Universe the Size of a Grapefruit?
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Undergrad Unraveling the Mystery of the Universe's Age: The Big Bang Theory Explained
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  • Poll Poll
Graduate What is most influential candidate quantum cosmology today?
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High School How Big is the Universe and How Did it Begin?
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Graduate Last Digit of Pi in the measurable universe
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Graduate Inflation theory; dead or alive?
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Undergrad Questions about Big G: Constant of Proportionality
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Graduate What is Plasma Cosmology and its impact on current scientific understanding?
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Graduate Black hole in one universe to generate a big bang
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Graduate The Small Particle That Started The Big Bang
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Undergrad Collisions between galaxies, geometry of expansion.
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Graduate Why is 10^-36 seconds considered the starting point of inflation?
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High School Recommend some papers or books on Inflation
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Graduate Does the expansion of the universe also cause an increase in overall entropy?
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Graduate Is the Universe Expanding Slower Now Than in the Past?
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Undergrad Dark matter and supermassive black holes
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Undergrad Cmb 13.7 billion light years away
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Graduate What is the more puzzling our universe with inflation or without it?
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Graduate More evidence for dark matter-another cluster collision
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Graduate Energy density of massive neutrinos
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Graduate Calculating Neutrino Binding in Gravitational Potentials
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Graduate Big Brain Theory: Have Cosmologists Lost Theirs?
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Graduate Gravity and developments in GR after WMAP 5 year data
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Graduate Understanding Time: Special Relativity & Earth's Reference Frame
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Graduate What is the boundary of the observable universe in the Milne universe?
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Graduate The equation of state of radiation
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Undergrad Size of the Universe: Estimate Conflicts & Layman's Guide
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Graduate Why Do Distant Galaxies Appear Further Apart Than Expected?
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Graduate How Do Photons from Very Old Galaxies Reach the Hubble Telescope?
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Graduate Big Bang: Definition of Universe Area
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Graduate A snip making fun of the concept of dark matter- why is this incorrect?
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Graduate Did the universe expand from a point?
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Graduate Big Bang - No Single point of Expansion
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Graduate Dark energy might be modif'n of GR different from cosmo constant.
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Graduate Cosmic micro-wave background, also cosmic gravitation-wave background?
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Undergrad Calc. Temperature of CMB | Textbook Info
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Graduate Where do Quantum corrections matter?
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Graduate Unit transformation of Cosmological Constant ?
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Graduate Which of 4 Universe Scenarios Do You Believe In?
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Graduate Antimatter's role in the architecture of the universe
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Undergrad What Is the Weak Field Limit?
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Graduate Why is it customary to assume that the vacuum energy contribution is neglible?
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High School Witnessing the Cosmic Horizon: A Speedy Adventure
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Undergrad Is Aeronautics the Future for Aspiring Astrophysicists?
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Graduate Dark Energy & the Law of Thermodynamics
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Undergrad Why do physicists claim the universe came from nothing?
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Graduate Theoritically how far can one see in the universe
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