Astronomy, Astrophysics, Cosmology Forum

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Join in expert discussion on the topics of Astronomy, astrophysics and cosmology. This may include discussion on celestial objects, space, and the physical universe as a whole. Mainstream science only.
Graduate Tethered galaxy problem reconsidered
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Graduate SOHO Observed Solar Inflow Events: What's the Explanation?
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Graduate A spectacular new way for stars to die
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Undergrad Why Don't Low Mass Stars Progress Beyond Helium Burning?
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Graduate Do Planets and Stars Have a Net Charge and How Can It Be Measured?
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Undergrad Transfer function to state space manually
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Graduate What happens when a laser is shot at a neutron star?
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Graduate Is there a limit to the size of a black hole?
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Graduate Differences between GR & SR are frame-dependent
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Graduate Penrose on YouTube, before bang cosmology, eight episodes October 2007
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High School Why Do People Believe in the Big Bang Theory?
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Undergrad Conservation of Energy: Wave Pool in Universe?
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Graduate Unraveling the Big Bang Question: Escaping the Gravitational Pull of Black Holes
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Graduate Is dark energy from cosmic Hawking radiation?
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Graduate Space-like intervals and the ergoregion
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Graduate Uncovering the Truth About the Moon's Orbit and the Universe's Expansion
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Missing matter found in deep space
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Graduate Was There Really a Billion Lightyear-Wide Void in the Sky?
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Graduate What is the Best Way Forward in Astrophysics?
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Graduate Does the WMAP immage show the edge of the universe?
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Graduate Determining Hubble Constant and Scale Factor of Universe
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Graduate Non-Gaussianity Analysis on WMAP Data
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Graduate Breaking Discovery: Missing Matter Found in Cosmic Web, Experts Weigh In
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Graduate Can loop quantum gravity see before the Bang?
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Graduate How Can Democracy Handle Complex Scientific Issues?
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Graduate Congrats to Turbo on A Catalogue of M51 type Galaxy Associations
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Undergrad Can Black Holes Revert Back Into Stars?
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Graduate What Caused Pluto's Unusual Orbit and Formation of its Moons?
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Graduate Why Is the Scalefactor 1 Today?
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Graduate What are the Unanswered Questions About Gamma Ray Particles?
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Graduate Microwave BG vs Expansion vs Hydrogen Microwave Emission
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Undergrad Artificial Gravity: Methods & Benefits
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High School Take a Picture of Big Bang - Clarifying Questions
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Graduate Rocky Kolb's top 10 Questions about the Universe
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Undergrad Understanding Planetary Orbits: The Role of Gravitational Force and Rotation
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Undergrad Ordinary Energy - Is it Chopped Liver?
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High School How do we know the Sun orbits the Galaxy?
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Graduate Stellar Evolution: After Hydrogen Exhaustion
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If theres matter in the universe
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Graduate Polishing 200mm f6 Mirrors | Middle TN Advice
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Graduate On the physical basis of cosmic time
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Astronomy Exercises - Get Help Here!
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High School Can We Overcome Mars' Harsh Conditions for Human Habitation?
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High School Are Our Atoms Stardust or Nuclear Waste?
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Undergrad Aerospace Engineering program at Texas A&M
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Graduate Definition of Mass in Vacuum of Space
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Graduate Do black holes create antimatter from matter?
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Graduate Can Electrons Propel Spacecraft to Near Light-Speed?
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Graduate Empty Space Just a quick thought you might enjoy.
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High School Is There Really No Gravity in Space?
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Graduate About the dimensions of the universe
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Stargazing Telescope Advice: Get Good Views for a Cheap Price
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Graduate Inflationary framework of the universe
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Undergrad Can the Universe's Shape Be Tested Like a Balloon?
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Graduate Temperature between Galactic Structures
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High School Could light be a media for transport?
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Undergrad What caused the disappearance of Mars's atmosphere and surface water?
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Undergrad Orbit of Comet 17P Holmes - equations
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Graduate Unraveling the Moon's Motion Coincidence: A Scientific Inquiry
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Undergrad Mass and Traveling at the Speed of Light
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Undergrad Is 1 e33 kg the Minimum Mass of a Black Hole?
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Undergrad Parsecs, trigonometric parallax and light years
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High School Is the center of the universe constantly changing?
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Undergrad The red shift - what does it indicate?
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Graduate Closest distance between two conics (ellipse,hyp.,par.)
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Graduate How to Calculate Earth’s Number Density: Iron vs Proton Mass Method
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Graduate Does the Article Debunk the Big Bang Theory?
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Graduate Equal amounts of what we call matter and antimatter
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Graduate The Impact of Solar Mass Loss on Earth's Orbit
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Graduate Is the coasting universe consistent with observed comoving recession velocities?
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Undergrad How do we know that the universe expands?
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Graduate Simple argument for a deterministic Universe-Please refute
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High School Have you heard anything about AstroTech's low-cost Ritchey-Chrétien scopes?
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High School What is the speed of the moon's motion?
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Undergrad When is the next 13.00 Local Sidereal Time for a UK observer?
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Graduate Accelerating Universe,rate Of Acc Data Needed
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High School Magnetism of Planets: Do Other Have It?
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Graduate How Can Galaxies Move Away from Each Other Yet Still Have Filaments?
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Graduate Assume that on earth we see something 1 billion light years away
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High School Uses of Asteroids: Incredible Potential for Space Exploration
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Building Paralleogram Mount/What is the name of this Part?
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Graduate Understanding the MOND Principle for Gravity and the Galaxy Rotation Anomaly
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Graduate Understanding the Metric of a Curved Sphere: Exploring the Formula
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Graduate Does the rotating black hole have a double or single photon sphere?
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Graduate Question regarding the big bang theory
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Undergrad Microwave radiation proves what?
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Undergrad Does the Universe have a centre?
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Undergrad Why Is There Lightning on Venus?
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High School Why Are All Planets in the Same Plane?
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Where Does the Universe Reside?
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Undergrad How are mass calculations done in the weightless environment of space?
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Graduate Confirmation of any water on the moon?
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Graduate Does Dust Scattering Alter the Cosmic Background Radiation Spectrum at z < 100?
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Undergrad How to Calculate the Flattening of a Rotating Planet?
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Graduate Can we use our own Sun to travel through space?
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Is cosmology an extension of creation science?
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Graduate Interpreting the Expansion of the Universe: Matter vs. Spacetime?
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To scale animation of solar system
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Undergrad Why are we still looking at Mars?
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Official version of Big Bang 2008
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