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 What Are the Key Insights into Dark Energy for Cosmology Students?
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Undergrad What Keeps the Galaxy Intact?
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Largest Known Star: Introducing Myself and Cosmology
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Graduate Who the top quantum cosmology researchers are
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Graduate How Does Solid Hydrogen Impact Our Understanding of Cosmology?
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Undergrad Universe burnout-What's so hard about that
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High School Thank you for your understanding.Dr. Gregory GreenmanPhysicist
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Graduate Escaping the Impending Heat Death of the Universe: A Possibility or a Fantasy?
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Graduate Is There a Contradiction Between Entropy in Thermodynamics and Cosmology?
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Just one irrefutable datum point
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Graduate Universal quality of virial theorem
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Undergrad Cosmology getting stale with discoveries?
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Graduate Is the Entropy of Black Holes Measurable for Non-Exotic Black Holes?
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Graduate Good textbooks on modern cosmology ?
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Graduate How Do Interpretations of Hubble Expansion Differ Empirically?
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Have You Read Weinberg's Cosmology Yet?
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Alternative idea on expanding universe
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Undergrad Dark Matter & Universe Expansion: A Newbie Question
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Graduate Is There a Universal Point Where All Moments in Time Exist Simultaneously?
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Graduate Is the Secret Number to the Universe 10^122?
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Graduate Estim. dark energy up by 3 percentage points. Any reaction?
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Graduate Meaning of setting the scale factor equal to 1 at present epoch
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In the Beginning: How Many Object to Creation-Like Events?
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Graduate Question from a fool about the big bang
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Graduate Tired light vs. expanding universe
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Graduate Is Cosmological Inflation the reason for the uniformity of the universe?
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Graduate Massless Universe: Examining the Behaviour & Mass of Our Universe
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An astrophysicist (+blogger) to be aware of
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Graduate Dark Energy and the Accelerating Universe (survey)
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Graduate Dark Matter Pooling: Gravitational Effects Explained
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Graduate Acceptable cosmological discussions
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Support Space Exploration: Agree or Not?
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Undergrad Is the Universe Spinning After the Big Bang?
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Graduate Is There a Gravitational Spectrum for Measuring Wavelengths?
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Graduate Carbon dust mistaken for Dark Energy all this time?
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Graduate Birth of Planetary Systems: Starless Possible?
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Undergrad Galactic Structure: Do Astrophysicists See Stars Where They Are Now?
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Graduate Can objects in space appear to move backwards in time?
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Graduate Can Negative Energy Keep Wormholes Open in the Theory of Inflation?
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Graduate Fecund Universe Theory: How Different Are Baby Universes?
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Graduate Giant ropes of dark matter found in new sky survey
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Graduate Are Singularities in the Universe Possible?
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Graduate Redshift Issues: Understanding the Light-Metric Coupling in Cosmology
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Graduate Hubble expansion inside a contracting supercluster
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Undergrad What Would Happen if Earth and a Black Hole Interacted?
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Graduate What causes the universe to eventually colapse?
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Graduate Can Higgs Particles Cause Universe Expansion Due to Negative Density?
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Graduate A few questions =] (time and big bang)
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Graduate Dark energy a furphy, says new paper
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Is Big Bang the Funniest Show Ever?
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Graduate Galaxy from 700 million year old universe
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Undergrad What is Vacuum Energy & How Does It Exist?
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Graduate Could the Universe Have Expanded Immediately After the Big Bang?
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Undergrad Travelling more than Speed of light
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Is Humanity Truly Unique in the Universe?
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Undergrad Is there any proof that big bang actually happened ?
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Graduate Are there cosmological models in which Planck's constant varies?
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Graduate Is the Cosmological Arrow of Time Linked to the Thermodynamic Arrow of Time?
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Undergrad Understanding Wavelength, Energy, & Temperature
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Graduate Measuring Red Shift to Confirm Hubble Flow
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Graduate Planck energy is a max, is there a mimimum too?
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High School Is the Universe Expanding or Are Galaxies Just Moving Apart?
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Graduate What Is the Universe Expanding Into?
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Graduate Cosmological constant as a fluid
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Graduate Reconciling the Paradox of Age and Size in a Finite Universe
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Graduate WMAP 2006 - Mainstream model parameters
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Graduate The art to become special and a bounce
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Graduate Which conserves energy better? Expanding space or Shrinking matter?
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Graduate How Could the Big Bang Avoid Being a Black Hole?
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Undergrad Evidence of the age of the universe
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Undergrad The redshift is how far/long ago?
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Undergrad Rebuttle of Black hole arguments
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Graduate Scientists Say Time is Slowing Down
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Graduate Is the whole Universe expanding, or just the Observable Universe?
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Graduate Is Part of the Observable Universe Moving Faster Than Light?
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Graduate Why isn't it possible that gravity is repulsive at long distances?
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Graduate Is the cosmological prinicple wrong? Is Big Bang wrong?
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High School What Is the Time Scale for the Heat Death of the Universe?
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Graduate The magnetic field as dark matter
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Graduate Proving Expanding Black Body Problem: A Question
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Graduate Clarification on Cosmic Expansion
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Graduate Traces of ‘Mythical’ Cosmic Strings Found
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Graduate LIGO detects no gravitational waves from gamma ray burst
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Undergrad August 2006 article promoting MOND
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Graduate Newbie to this forum with a silly question
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Graduate Explanation of changing particles within a blackhole
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Undergrad Why Don't We Feel the Universe's Expansion?
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Graduate Antimatter clouds and gamma rays
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Graduate How can simulations help us measure dark energy and its effects on the universe?
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High School Difference between astronomy and cosmology
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Graduate Why Invest Billions in LIGO if We're Certain About Gravity Waves?
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Undergrad Do we observe fast moving objects in the universe?
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Undergrad Does dark energy have anything to do with expansion?
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Graduate What Can We See at the Origin Point of the Big Bang?
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Graduate Can Traveling at the Speed of Light Lead to Time Travel and Other Mysteries?
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Graduate What will happen if GP1 fails to confirm GR and another model is favored?
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Describe the universe in 15 words
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Graduate Beyond the Big Bang (mid-level book, 600 p, August 2008)
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Graduate Internal G=1 unit conversion/systems for simulation timestepping
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Graduate If the universe is getting colder, wouldn't this violate the 2nd Law?
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