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 Why is the DM density near the sun so small?
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Undergrad How to know what proposal to write for observation?
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Undergrad Growing food in space - a 3rd concept
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Undergrad Which is better to colonize: Mars, the Moon, or Deimos?
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Undergrad A multiple-impact origin for the Moon
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Undergrad Structure of Earth, pressure and density model
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Undergrad What Is the True Nature of Dark Matter?
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Undergrad Is the Strange Star's Composition Similar to a Bose-Einstein Condensate?
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Undergrad Can Black Holes Explain the Mystery of Dark Matter in the Universe?
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Undergrad Gravitic Field of Rotating Disk-Shaped Mass Along Ecliptic
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Undergrad Galaxy Merger and Damped Oscillation?
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Undergrad Is angular momentum conserved in a Supernova?
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Undergrad Can 21 cm Emission Be Detected in a Laboratory?
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Undergrad Is Stellarium More Accurate Than VSOP87?
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Undergrad Why do things fall into a black hole?
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Undergrad Why do planets follow the same curvature at both foci?
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Undergrad How do mass and temperature change in black holes due to Hawking Radiation?
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Undergrad Bullet clusters & CMB accoustic peaks dark matter
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Undergrad Does Free Space Permeability Change with Applied Magnetic Fields?
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Undergrad Where does a polytropic EoS come from?
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Undergrad Black Holes: What They Are & What They're Made Of
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Undergrad Black Hole Time Dilation: What Would an Astronaut See?
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Undergrad Planet Composition: Detecting Exoplanets via Spectroscopy
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Undergrad Terraforming Mars: Possibility or Pipe Dream?
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Undergrad Nebulosity around Pleiades stars
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Undergrad If there is life on Mars should people stay home?
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Undergrad Is Dark Matter the Key to Understanding the Cosmos?
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Undergrad Percent of stars in our galaxy that belong to clusters?
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Undergrad Why are craters on the Moon nearly all circular?
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Undergrad How do I compare a model to logarithmic data?
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Undergrad Scale of a in MOND and cosmological constant
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Undergrad Chemical Life Possible in Brown Drafw Atmospheres?
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Undergrad Does time dilation prevent event horizon formation?
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Undergrad Converting galactical coordinates to horizontal/geographical coordinates
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Undergrad Solving the Andromeda Problem: A Newbie's Guide
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Undergrad Euclidean differential number counts of supernovae
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Undergrad Black Hole Formation: Fermion Pressure & Neutron Stars
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Undergrad System simplification through state space
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Undergrad Objective classification of spiral galaxies
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Undergrad Are Red Dwarfs Home to Earth-Sized Water Worlds?
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Undergrad RA and declination of Sun & phase of Moon program
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Undergrad Collapsing Nebulae: Outward Force of Gas Explained
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Undergrad Why exactly does the ocean bulge on both sides of the Earth?
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Undergrad Dark Energy: How Can ~73% Of Universe Exist?
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Undergrad Why is the ISS at a 51.6 degree orbital inclination?
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Undergrad China launches X-ray Pulsar NAVigation satellite
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Undergrad Is Constant Mass Density in the Universe Linked to the Casimir Effect?
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Undergrad Are all planets in our Solar System in the same plane?
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Undergrad Revolutionize Space Travel with Innovative Vacuum Launch Method
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Undergrad Debunking Interstellar Travel: Separating Fact from Fiction
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Undergrad Calculating the Rotation Curves of Galactic Disks
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Undergrad Moon's End: What's the Scenario?
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Undergrad Is the space elevator affected by lightening, sprites, emf?
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Undergrad What Were Earth's Rotation Rate and Tilt Before and After the Theia Impact?
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Undergrad Simulating Binary Systems with RK4 in C
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Undergrad Does spacetime have potential energy?
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Undergrad Where is the matter in a black hole?
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Undergrad Question about Relatavistic mass
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Undergrad Largest Hard Planet of Gravity 1g we have ever Discovered?
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Undergrad Kepler 3rd law for circular orbits
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Undergrad Why is Mercury Visible at Night?
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Undergrad How to draw figures and diagrams?
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Undergrad Modeling a Binary Asteroid System Around the Sun
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Undergrad Can dark matter explain Tully-Fisher relation & new paper
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Undergrad Open access papers in JGR-Planets
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Undergrad How can Andromeda collide with the Milky Way?
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Undergrad Why don't any stars "look" red? red shift
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Undergrad How did Tycho Brahe measure time?
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Undergrad Solar System Origins: Angular Momentum Problem?
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Undergrad What Causes Distinct Absorption Bands in the Sun's Spectrum During Sunset?
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Undergrad Plotting the orbits of the planets
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Undergrad What computer science would you need for astrophysics?
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Undergrad Gravitational acceleration and the baryon distribution
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Undergrad Light fluctuations and finding exoplanets
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Undergrad Gravitating particles and entropy
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Undergrad Lunar versus Solar orbit at solstices
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Undergrad Need help with some calculations with gravitational waves
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Undergrad What's the feasibility of space mining companies?
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Undergrad Why are stars grouped in galaxies?
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Undergrad How to Calculate Longitude and Latitude Speed from Cartesian Values?
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Undergrad Planetary Orbits in AU - Stability & Mass Limits
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Undergrad What is the average number of planets per star?
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Undergrad Spacetime and effects of being super close to the Sun
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Undergrad How to determine a planet's size given gravity
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Undergrad How to derive full solar sprectrum from gamma rays
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Undergrad How can I find journals about this discovery?
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Undergrad Can Gravitational Lensing Be Caused by Refraction?
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Undergrad Is there a point during star formation when gas is 1 atm?
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Undergrad How Big is a Planet with a 5000mph Rotation and a 52-Hour Day?
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Undergrad Calculating distance, object speed, etc - RE:Falcon9
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Undergrad If radiowaves are reflected from objects (i.e planets)....
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Undergrad Is an integral over phase space reasonable?
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Undergrad Hawking Radiation: Explaining the Evaporation Effect
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Undergrad Trying to solve the restricted two-body problem
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Undergrad Are Cosmic Rays Intensifying Across the Globe?
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Undergrad Why does hawking radiation in black holes slowly increase?
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Undergrad Moon revolution period 27.32, but got 27.53 from equation?
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Undergrad If the observable universe was visible to the naked eye....
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Undergrad Physical Significance of Eccentricity & Semi-Latus Rectum of Orbital Ellipse
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Undergrad Density of matter in the expanding Universe
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