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.
Undergrad Solar spectral intensity per wavelength - frequency
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Undergrad Does Planet Mass Affect Orbital Period?
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Undergrad Measuring the Effects of Dark Energy on Bound Objects: An Experimental Study
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Undergrad Were Population III stars powered entirely by p-p fusion?
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Undergrad Solid diprotium saturated vapour density
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Undergrad A little doubt regarding specific angular momentum
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Undergrad Force as a function of time/space
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Undergrad Hypatia, Elliptic orbits, conic sections
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Undergrad Merging Neutron Stars: What We Know So Far
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Undergrad Calculating the Sun's core temperature?
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Undergrad Why Is Jupiter's Surface Gravity Not as High as Expected?
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Undergrad Gravity and how it starts and stops
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Undergrad Core collapse of a supernova: the "void" left by the collapsed core?
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Undergrad What areas of nano/optical research applies to astrophysics?
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Undergrad Understanding Gunn-Peterson through the Reionization epoch
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Undergrad Move the Earth Away from the Sun
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Undergrad Redshift of Star Light: Proportionality to Distance & Other Theories
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Undergrad What is the Drift Rate of Jupiter's Great Red Spot?
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Undergrad Correlation between a Star's Luminosity and Distance?
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Undergrad How to differentiate Doppler shift from star emission
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Undergrad Detect exoplanets by yourself with the cheapest equipment
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Undergrad Is the universe spherical and shaped like a bubble or is it flat?
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Undergrad Mathematical Proof of Elliptical Orbits
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Undergrad Can I Simulate Planetary Accretion with Disksim?
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Undergrad NGC7741 Imaging: Should I Stack Images Through IRAF?
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Undergrad Creating a Dark Matter Black Hole: How it Differs from Ordinary Black Holes
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Undergrad Dark Matter Gas Theory: Explanation & Bullet Cluster
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Undergrad Solar Spectrum: Continuous & Absorption Confusion
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Undergrad Resources to find Data/Models for Nonradial Pulsations of Va
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Undergrad General Q: How do you measure a Galaxy's distance?
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Undergrad All current 'hints' towards Dark matter not being "matter"
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Undergrad C# Accurate Earth, Moon Sun visual model to predict eclipses
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Undergrad Calculating Earth's Orientation and Moon's Position at J2000.0
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Undergrad Computing a value of radius for a typical white dwarf
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Undergrad Gravitational waves and the multiverse
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Undergrad Red Dwarfs: Is 100% Hydrogen Conversion Practically True?
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Undergrad Understanding Astronomical Days & Measuring a Year's Length
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Undergrad Is Dark Matter Challenging Our Understanding of the Universe?
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Undergrad What is the relationship between Julian Days and other observable time periods?
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Undergrad The Shape of Very Massive Stars: Spheres or Something Else?
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Undergrad Gravity vs Entropy: Reconciling Two Opposing Trends
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Undergrad Is a trip to explore the Alpha Centuri system actually feasible?
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Undergrad What could cause a discrepancy in the Bias of a CCD
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Undergrad Accelerating universe explained by constant expansion?
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Undergrad Find Trajectory from A to B: Approaches & Solutions
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Undergrad Why does Mars have so much iron on it's surface?
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Undergrad Is a Topopolis' Orbit Truly Unstable?
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Undergrad Variations in the speed of sound in a star
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Undergrad Is there some prediction of the speed of rings?
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Undergrad How to get state vector in 4-observation method of Gauss
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Undergrad Why Do Astrophysicists Use νLν in Accretion Disk Emission Studies?
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Undergrad Neutron Stars mass and radii observation data
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Undergrad 55x times harder to get to the Sun?
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Undergrad How was the value of the permittivity of free space determined?
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Undergrad Exploring Planetary Orbits and the Sun's Rotation
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Undergrad Question about orbits and Kepler's problem
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Undergrad Why don't red dwarf stars emit white light like the Sun?
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Undergrad Synchronous Orbits: Why Does 3:5 Jupiter/Saturn Happen?
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Undergrad Is the Sun a Perfect Black Body? Investigating the Reflection of Radiation
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Undergrad Radial dependence of the Sun's magnetic field
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Undergrad Would going to the Moon delay going to Mars?
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Undergrad Will Space Expansion Lead to the Formation of Black Holes and Neutron Stars?
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Undergrad What problems would 'black holes' not being formed solve?
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Undergrad If all of spacetime was created with the Big Bang....
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Undergrad Why are there so many different kinds of stars?
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Undergrad Is There a Model to Define Earth's Position in the Milky Way?
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Undergrad Would Newton's shell theorem prevent binary planet systems?
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Undergrad A discussion on "officially called a planet"
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Undergrad Harmonic Convergence of Major Planets: Exploring the Solar System Barycenter
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Undergrad Least cost to get a self-sustaining space infrastructure
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Undergrad Could entropy remain the same overall?
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Undergrad Do orbital dynamics scale linearly?
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Undergrad Why does the expanding universe redshift light?
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Undergrad Composition of the Sun: How We Know via Spectral Absorption Lines
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Undergrad Can Relativity Be Confirmed Again with a Star and a Black Hole?
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Undergrad Neptune images from VLT better than Hubble
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Undergrad Liquid water reservoir reported under Mars polar cap
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Undergrad Which Main Sequence Stars Experience Hot Corona Phenomena Beyond G2?
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Undergrad Thoughts on Breakthrough Starshot?
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Undergrad Why is the Moon getting further from Earth ?
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Undergrad How do telescopes allow us to see light sources millions of light years away?
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Undergrad Spherical Symmetry/Simultaneity of Supernova Explosions
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Undergrad Redshift and the Friedmann metric
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Undergrad White dwarf collapses into a neutron star and Energy is released
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Undergrad Chemical Elements produced inside the Sun
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Undergrad Convincing a Flat Earther: Proving the Earth is Spherical
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Undergrad Space elevator and Coriolis force
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Undergrad Mass Equivalence of Photon Content Inside the Sun?
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Undergrad Image of a Newly Formed Planet in a Disk Around a Star
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Undergrad Particle acceleration and kinetic energy
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Undergrad About gravitational binding energy and kinetic energy
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Undergrad Is the Milky Way's halo curved spacetime?
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Undergrad How on Earth This is possible? (distance to a far galaxy)
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Undergrad How stellar aberration was quantified in the early days
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Undergrad How do we get stars so much more massive than the Sun?
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Undergrad Manned mission to Europa: science or still scifi?
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Undergrad How Does Angular Diameter Distance Apply to the Last Scattering Surface?
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Undergrad 2 second delay at the merger of two neutron stars in August 2017
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Undergrad Does the barycenter of the Earth-Moon system change?
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Undergrad Question about the Na-O anti correlation
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