Astronomy and Astrophysics Forum

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Join in expert discussion on the topics of Astronomy and astrophysics. This may include discussion on celestial objects, space, and the physical universe as a whole. Mainstream science only.
Graduate How Much Man-Made Junk is on the Moon After 43 Years and Counting?
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Undergrad How does temperature change as you move away from the sun into space?
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High School Short term atmospheric retention.
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Graduate Can Astrophysics Reveal Our Place in the Universe and Ourselves?
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High School What should I do to become an astrophysicist at 13 years old?
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Undergrad The Cause of Earth's Rotation: Faradey's Motor or Something Else?
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High School Why Do Star Trails Appear Denser on One Side of the National Geographic Photo?
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Undergrad Life on Mars: Did Asteroids Transfer Bacteria to Earth?
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Graduate Plate tectonics on exoplanets/moon.
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Undergrad Atmospheric Density Profiles of Europa and Mars
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Undergrad Martian Core Composition: Is it Solid or Liquid? My Theory on Volcanic Activity
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Undergrad Escape velocity in the atmosphere
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High School Is Earth's Thin Atmosphere Caused by the Moon?
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Undergrad The Sun is very spherical - allegedly
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Graduate Heliophysics: the last ten years and the next ten years agenda
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Undergrad Ultra-high-energy cosmic ray ≠ collision of 2 'normal' rays?
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Graduate Why did we stop at 46.5 billion light years?
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High School How long will it take for the Earth to become tidally locked to the Moon?
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High School A trivial question but who can answer it ? (Friend from Algeria)
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Graduate The Aftermath of a Large Comet Impact on Mars
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Undergrad Which planet in this solar system would be most appropriate to terraform?
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Undergrad Orbital slingshot energy - energy from gravity?
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Undergrad Do Heavy Elements Come Only from Supernovae?
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What is the Latest Rover on Mars and Who Helped Make it Happen?
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Undergrad Expansion of space: Earth - Moon
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Undergrad Calculating Distances 1 Billion Light Years Away
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Graduate Necessary and sufficient conditions for matter clumping into heavenly bodies?
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Graduate Too fast for a black hole to consume?
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Graduate Does anyone know how to correct for reddening in a CC-diagram?
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Graduate Could Dark Matter Explain the Mystery of Shear Viscosity in Neutron Stars?
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Graduate Sun Orbital Scanner: Magnifying Star Systems to Detect Planets
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Graduate Gravitational field strength for irregular object
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Undergrad What Would Happen if Our Moon Had a Moon?
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Graduate Spatial dimensions inside a black hole
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High School Stars: North, South & Equator Positions
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Graduate How is galaxy mass calculated using luminosity
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Undergrad How does declination and right ascension relate to latitude / longetude?
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Graduate If the Earth were adrift in space, what would happen to its atmosphere?
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Graduate Is there a maximum mass for a black hole?
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Graduate Can the Holographic Principle Solve the Mystery of Black Hole Information Loss?
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High School Is the Earth Electrically Charged?
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Undergrad How do you relate space&time and matter&energy?
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Graduate Estimate Star Formation Rate: Kennicutt-Schmidt Law
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Graduate Exploring the Origin of Elements to Nucleosynthesis and Fusion in Stars
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Undergrad Minimum Distance Between Earth & Mars: Analytic Calc
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Graduate Is 300eV the Correct Mean Photon Energy for a Black Body at 1 Million K?
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Graduate The philosophy of Wormholes, Blackholes, Deep space, etc
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Graduate Can an Asteroid Collision with the Moon Create a Debris Cloud Around Earth?
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Undergrad Solar flares & CMEs: Serious threat?
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High School Positions of stars as seen from Mars-different than from Earth?
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Graduate Poisson and continuity equation for collapsing polytropes
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Undergrad Why Correct Horizontal Parallax Errors?
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Undergrad Can a Planet Support an Atmosphere with 50% Earth's Gravity?
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Graduate Do gravitational waves affect our measurements of weight?
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Is the Milky Way winding up or spinning out in space?
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Undergrad Fictional Earthbound Asteroid Collision
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Undergrad Where there more planets being formed?
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Graduate What would Mars be like with 50% more density?
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Undergrad Black hole - frequencies used for viewing
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Undergrad Is a black hole a quasar or blazar?
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High School Role of Neutrinos: What Are They and What Do They Do?
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High School What would happen to a bullet shot into space?
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Can someone identify what this is in the sky below the moon.
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Graduate Pulling information out of a black hole
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How to convert my MXF files for importing into FCP X
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Graduate Sudden Earth Rotation Deceleration Theory
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Graduate Atmospheric Creation on the Moon
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High School Got doubts about Curiosity surviving Mars landing
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Graduate How thick is a black hole event horizon?
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Graduate New unbiased technique for the measure of the local dark matter density
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Graduate Can Gauss's Law Explain the Field of an Electron in a Closed Finite Universe?
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High School Understanding the Moon's Phases: Debunking Common Misconceptions
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High School When a star forms where does the Gravity come from?
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Undergrad Could there be a portal inside or near the sun?
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Undergrad Can a planet/moon's atmosphere generate a magnetic field?
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Graduate Is Spacetime Linear? - The Universe in a Nutshell
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Graduate What Happens When a Magnetar Becomes a Black Hole?
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Graduate Is it Possible to Locate Earth's Future and Past Positions in the Starry Sky?
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Undergrad Why can't Light Escape Black Holes?
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Graduate Solar flares triggering seismic events
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High School How strong is gravity in the center of the earth?
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Graduate How does light act leaving, traveling between, and entering galaxies?
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What do you think of The Universe series?
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Graduate Using iteration to orbit dual suns - losing energy
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Graduate Can New Galaxies Appear Due to Doppler Shift at High Speeds?
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High School Does Gravity Ever End and How Does It Affect Objects in Space?
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Graduate How can EVERY point in the universe be the center?
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Undergrad Is There a Formula for Calculating Star Altitude and Azimuth Over Time?
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Graduate Comprehensive Supernova Catalog: Redshift, DM, DM Err & Position Data
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Graduate Singularity in infinite space-time
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Graduate How exctly the higgs field originted after the big bang?
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Graduate How is the gain of a radio antenna at 230GHz calculated?
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Graduate What is the scientific reasoning behind Inflation after the big bang?
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Graduate One planet, two suns, ellipse or hyperbola?
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Graduate Optimizing Orbits with Runge-Kutta-Nyström Method
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Graduate ESO sheds light on type II supernova
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Graduate Estimating Star Formation Rate in Plasma Clouds
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Mass, energy, gravity, space, time and math
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Undergrad Sun's Temperature: Is the Sun Charged?
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Graduate Polarized Light and Quantum Spin
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