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 Time Before Big Bang: Stephen Hawking & Other Universes
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Graduate Why do smaller black holes emit more Hawking radiation?
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Graduate Was Energy in the Expanding Universe Traveling at the Speed of Light?
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Graduate What Exists Beyond the Reach of the First Photon in the Universe?
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Undergrad Dark Matter and Dark Energy: WTH are they?
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Graduate How Are We Pushing the Concept of Infinity in Multiverse Theories?
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Graduate Aether Theories: Consensus on What Space is Made Of?
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Graduate Time Delays Across Saddles: Probing Modified Gravity in the Solar System
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Graduate Quantum Entanglement vs. Now Slices (Relativity)
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Graduate Inflation as a solution to the Early Universe Enrtopy problem
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Graduate Emergent Gravity: Padmanabhan's Brilliant or Misguided Paper
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Undergrad Radio Transmission Power and Detection in Relation to Alien Communication
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Graduate What is the difference between the Big Bang and the exact same energy mass
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Graduate Redshift / blueshift of light in a gravity well
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Undergrad Difference between Dark energy and Dark matter
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Graduate Big Bounce and varying constants
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Graduate Questions on dark matter and dark energy
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Graduate If the Universe is indeed finite(in volume)
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Graduate Planck 2013 Conference: April 2-5
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Graduate What Is the First Acoustic Peak in CMB?
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Graduate Is the following creation description useful?
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Graduate What Other Evidence Supports the Idea of an Expanding Universe Besides Redshift?
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Graduate Big Bang Vs Inflationary Big Bang
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Graduate Dark matter/Energy not needed alternative
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Undergrad Universe Expansion: What Am I Missing?
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Graduate Universe Expansion: is it really expanding?
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Graduate What Is the Difference Between Dusty and Dust-Laden Plasma?
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Graduate What Holds the Universe Together?
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Graduate Need help on my understanding of gravitational waves
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Graduate Effect of negative gravity on time
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Graduate Spacetime Quantization and the Relationship between Energy and Frequency
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NORDITA , anything interesting?
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Graduate Spacetime line element to describe an expanding cube
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Graduate Is our universe actually contained within a black hole?
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Graduate Question on Cosmological Constant paper
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Cosmic Timeline: A Comprehensive SF History
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Undergrad How to determine elements based on received frequency from Space?
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Undergrad Matter and anti/matter after big bang
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Graduate Are Cosmic Asymmetries Challenging the Cosmological Principle?
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Graduate Are SN 1a light curves evidence of universal expansion?
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Graduate View of universe from event horizon of black hole
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Which Authors Offer Recent Insights on Space/Time?
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Graduate The 'fermi Line' (the 130 GEv gamma ray signal)
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Graduate Questions on the Inflation Debate
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Graduate The size of the universe at the big bang?
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Graduate Singularity and size of universe
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Graduate Big Bang Matter-Antimatter Annihilation
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Graduate Inconsequence in Lawrence Krauss lecture
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High School Intuitively - why aren't black holes hot?
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Graduate No Inflation in Brane Cosmology: Is Dark Energy the Driver?
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Graduate Where Can I Find Reliable Information on Dark Flow?
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Graduate Unleashing the Power of the Universe: The Mystery of Universal Energy
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Undergrad Are static models totally static?
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Graduate Where does dark energy come from
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Graduate Luminosity Distance, Determination From Type Ia SN
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How Can One Reach Outside of Time and Space?
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Graduate Location of Earth in the Universe
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Undergrad What Is It Like at the Edge of the Universe?
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Graduate Hey, I was reading Neil Turok's book (The Universe Within) and it got
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Graduate Can We Move in Planck Length and Dimension at the Time of the Big Bang?
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Graduate Quasar Mass-Luminosity, High Mass Turnoff Evolution and a Synchronization Puzzle
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Undergrad Big Bang Singularity: What is it?
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Graduate Observable universe and events between vast distances
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Undergrad You always hear people say that the universe is made of matter and energy
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Graduate Measuring the Distance Between First & Last Particles of the Big Bang
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Graduate Recent papers relevant to cosmology that seemed extra interesting
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Graduate What Is the Nature of the Space Left Behind After the Big Bang?
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Graduate An amusing paper about the size of the Universe
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Graduate Correct interpretation of terms in proper velocity expression?
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High School Gravitational Constant: Questions and Ideas
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Graduate Measurment that proves that the universe is flat
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Graduate Expansion of Universe but no expansion of galaxies
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Graduate Are there non-spherical blackholes?
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Graduate Is the speed of light constant for a co-moving observer?
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Graduate Are rays from opposite sides of a hot spot of CMB parallel or not?
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Graduate Heat of the Big Bang: Understanding CMB & Accuracy
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Graduate Is age of universe adjusted for gravity?
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Graduate Does energy dilate time like mass?
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Graduate Problem interpreting Mpc/h in maps of DM
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Graduate Fundamental Cosmology conference (Stockholm, November 2012)
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Graduate How can the Universe be flat and accelerating in its expansion?
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High School What is the age of the universe in billions?
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Graduate Another nail in the coffin of alternative redshift theories
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Graduate Is My Proper Time the Same as Cosmological or Conformal Time?
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Graduate Looking for other proof of expanding universe.
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Graduate Is Heat Death or the Big Rip Inevitable in an Open Universe?
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Undergrad Big Bang Questions: How Far, How Long, Possible?
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Graduate Energy in co-moving co-ordinates?
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Graduate Difference between the Higgs field and the Inflaton field?
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Graduate I'm sure this has been asked before, but: Universes colliding with each other
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Graduate Cosmological constant from first principles
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Graduate Consequences of a negative mass universe
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Graduate Determining Mass/Density of Universe: How Accurate?
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Graduate Observable Universe and Black Holes
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Undergrad The universe and its matters: finite or infinite?
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Graduate Evidence of Cosmic Backround Radiation cooling
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Graduate Simple argument for a linear cosmology
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Graduate Dark Matter as possible ground state for all matter
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Graduate Why does our universe/dimension follow the laws that it does?
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Graduate Co-moving density should be constant?
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