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.
High School Fast Radio Burst Pinned Down to Giant Stellar Nursery
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Graduate Gravity as space-time curvature?
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Stargazing Can a Mobile Phone Capture the Beauty of the Night Sky?
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Stargazing Vega & Arcturus: Amazing Telescope Photos
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Graduate Computer simulation of neutrino physics research
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Undergrad Quantum bits information lost in black holes
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Graduate Calculating Compound Angle b/w Planet & Earth-Sun Vectors
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Undergrad Calculation of daily solar insolation
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High School It's not sure but Andromeda will likely hit us -- Is this true?
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Undergrad Solar system simulation -- Significant deviation of some Jovian moons
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High School What Happens to Gases in Space and How Do They Behave?
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Undergrad Why invariable plane is tilted to ecliptic plane?
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High School So why is space travel so hurdlesome again?
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Undergrad Will an elliptical orbit self-correct into a circular one?
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Undergrad Taking Projectile Motion to make Planetary Trajectories
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Graduate Does Magnetic Braking Theory hold up?
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Undergrad Orbits -- radial verses perpendicular orbits & energy
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Undergrad Stellar reddening via Av calculation
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Stargazing Anyone looking for the aurora tonight (July 16/17)?
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Undergrad Computer friendly list of bodies in the asteroid belt?
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High School Kepler's 3rd Law, geometric relationship?
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Undergrad Where is a planet's gravity maximum?
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Undergrad Calculation of the hour angle of the Sun
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High School What is the relationship between brown dwarfs and giant gas planets?
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Stargazing Is there a solution for auto-guiding issues with a Celestron CGEM telescope?
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Undergrad Do stars have any lower mass limit?
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Undergrad Observing Orbital Speed of stars within Galaxies
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High School Another Earth-like system near us
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Graduate How Does the Stiffness of Supernova EOS Change with Various Parameters?
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High School Do black holes radiate antimatter?
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High School Inclinations of star orbits in the Milky Way
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Undergrad Help with formula to calculate the precession rate change
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High School What Are the Orbiting Objects Around Luhman 16AB Called?
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High School Can this be another reason for dark energy?
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High School Sidereal Time and the Arctic Circle
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Graduate Neutron star mass-radius relation plot
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High School How many planets can we estimate in other galaxies?
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Undergrad Measuring distance to a galaxy using natural H20 laser
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High School Effect of the Sun's Gravity on the Moon
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Stargazing Where can I find high resolution photos of distant stars?
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High School Can Kepler Data and Machine Learning Discover Habitable Exoplanets?
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Undergrad Solar system's path in the Milky Way galaxy
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Graduate What is the Concept and Calculation of Geodesic Deviation in Physics?
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Undergrad Forming Asteroids: Dust, Gas & Vacuum Mysteries
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High School Does gravity cause time dilation?
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High School Enlarging Planetary Orbits: Evidence of the Solar System's Evolution?
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Undergrad Reference point of geocentric lunar latitude?
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High School Star trails and the Earth's movemement
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Undergrad What would happen if I were 1 ly from a black hole merger?
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Undergrad Why Doesn't the 11-Year Solar Cycle Affect the Sun's Magnetic Field?
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Undergrad Why do galaxy and galaxy clusters look so colorful?
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High School Would All Observers See a Warp Drive Spaceship at Constant Speed?
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Undergrad Is there a consensus about the nature of dark matter?
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Undergrad Dark matter and black hole interaction
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High School Will Michigan Ever Get An Eclipse
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Undergrad Explain about the information lost through black hole
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Undergrad Could the Light Crowd in Orbiting Black Holes Over Billions of Years?
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Undergrad How stuff in empty space cools down?
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High School Question About The Stars -- Can they have died before we see their light?
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Undergrad Photon Sphere and time travel around a Black Hole?
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Undergrad Large wavelength and "fitting into" small spaces
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Stargazing Dragon + Falcon 9 visible from Western Europe Saturday
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High School Earth-Sun Lagrange Points Distance Query
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Graduate Do Friedmann-Lemaitre Equations Determine the Shape and Fate of the Universe?
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Undergrad Supernova - What would you see if watching one from close by?
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High School General Relativity Aces a Test at Supermassive Black Hole
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Undergrad How Black Holes Form: Neutron Collapse & Supernovae
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High School The Hottest Giant Planet Yet: 7800 degrees F.
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Graduate Some questions about the PFSS model on IMF
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Undergrad Why use velocity dispersion in Faber Jackson relation
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Undergrad Are Aliens Listening? Evidence for Intelligent Life in Space
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Undergrad I cannot figure out what I saw in this picture, help me
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High School What is the atmospheric pressure on Pluto and how can it sustain gases?
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Undergrad Direct collapse to black hole without supernova?
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High School Map of Solar System: See How Far Away Planets Are!
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Undergrad About the Entropy of the Universe
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Undergrad New Gravitational Wave Detection question
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Undergrad Questions regarding dark matter dynamics
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Pictures of extraterrestrial space
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High School How do we know the size of the universe?
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Graduate What Are the Stationarity and Limitations of the Standard Accretion Disk Model?
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Stargazing Optimizing Polariscopic Alignment for Equatorial Mounts: Tips and Tricks
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Undergrad Where to find full core-to-surface profiles of stars?
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Insights Interview with Astronomer Pamela Gay - Comments
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High School First Direct Measurement of Brown Dwarf Mass Limit: 6.7% Sun
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Graduate Is the Universe Flat Without Volume?
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High School How Does Earth's Water Compare to Potential Ocean and Desert Planets?
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Graduate Tension between recent dark matter results and Lux-Xenon?
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Graduate New ideas on the mechanism of solar CME's
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High School A Question about tiny tiny stars, and radiating heat
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Undergrad Can an Atom Become a Black Hole?
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High School Cepheid Variable Stars and Space-Time Warping
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Undergrad Understanding the Formation of Stars: A Look at Gravity, Gas Pressure, and Heat
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High School How much effect does the moon's gravity/size have on Mars?
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Undergrad What is the Time Ordered Data set for CMB polarization?
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Undergrad Mercury's precession due to other planets
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Undergrad The Sun's habitable zone and orbital resonaces/stability
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High School Earth may owe its birth to a solar eruption
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Undergrad Humidity when T is not constant in space
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Undergrad What Causes the Ring Current in Earth's Magnetosphere?
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