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 JPL Ephemeris Files: Calculating Heliocentric Pos. of Mars
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Undergrad Calculating Energy to Remove Space Debris from Earth Orbit
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Undergrad What Does Redshift and Scale Factor Tell Us About the Size of the Universe?
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Undergrad What's the effect of solar pole reversal on the Parker Spiral?
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Undergrad Star spectra and star color relation
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Undergrad New Kepler results (8th planet around Kepler-90)
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Undergrad Low mass limit of a neutron star
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Undergrad Are there galaxies with 2 cores?
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Undergrad Transit Photometry: Questions about Detecting Exoplanets
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Undergrad How long would it take for gas to leak out of a space box?
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Undergrad Quasar Number Densities and Lifetimes
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Undergrad Why Hasn't Mars Ice Core Samples Research Been Attempted?
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Undergrad Why is neutron star interesting to physics ?
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Undergrad What happens if two black holes collide
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Undergrad Why is the time of formation of this Black Hole in question?
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Undergrad Fly-by anomaly is back with Juno
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Undergrad Action Dynamics of the Local Supercluster
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Undergrad Can Hubble Red Shifts be Gravitational Red Shifts?
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Undergrad Holographic principle versus no-cloning
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Undergrad GW170608 - Another Binary Black Hole Merger Observed
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Undergrad Maintaining interest in the new 'private' space race
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Undergrad Tidal effects on Earth's rotation and moon's orbit
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Undergrad Do Solar Tides affect Earth's Orbit?
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Undergrad Where in our solar system are asteroids that contain ammonia
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Undergrad Unraveling the Mysteries of Gravity: From Light Bulbs to Spiral Galaxies
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Undergrad Can we experimentally understand the interior of a star?
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Undergrad Dark matter and energy may not exist?
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Undergrad Could vacuum decay save multiverse ideas?
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Undergrad What does wobbling in BGC reveal about the nature of dark matter?
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Undergrad How Bright Would the Milky Way Look If It Had No Dust?
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Undergrad What % of the heavy elements are produced by kilonovas vs. supernovas?
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Undergrad Magnetic field of Solar System planets
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Undergrad Exoplanet Climate: Can Planets Have Multiple Liquid Layers?
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Undergrad Resemblances between moon surface and earth mantle
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Undergrad Why is the Sun Yellow/Orange and Not White?
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Undergrad Determining The Inclination Angle of A Stellar Binary System
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Undergrad First Chinese space station about to de-orbit soon
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Undergrad How much number crunching is necessary in some simulations?
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Undergrad Nuclear batteries on space probes
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Undergrad Center of Image - Brightness Distribution
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Undergrad Dark Matter Simulation in Today's APOD
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Undergrad Enforcing artificial frozen orbit
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Undergrad Is there a stellar type that would make Firefly possible?
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Undergrad Is there an alternative theory to dark matter?
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Undergrad How to determine if an asteroid will burn up or hit Earth?
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Undergrad Instability of the Solar System
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Undergrad What is the difference between phase space and state-space?
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Undergrad Source of Heavier than Iron Nucleosynthesis
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Undergrad Vibrations of astronomical bodies
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Undergrad Can a supernova produce multiple stars?
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Undergrad Is it possible to have a black star?
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Undergrad LIGO: How to Know Wave Direction?
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Undergrad Heavy elements from neutron star collisions?
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Undergrad Electromagnetism in the Lithosphere and Ionosphere
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Undergrad Neutron star merge why didn't all EM radiation came at once?
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Undergrad Moving through space vs sitting in an expanding space
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Undergrad How does the solar wind affect power grids?
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Undergrad What Are the Leading Theories Explaining Dark Matter?
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Undergrad Dark Matter Disc Evidence: New Possibilities in Milky Way Galaxy
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Undergrad Actual number of stars in the Milky Way
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Undergrad Methods of Hawking radiation generation
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Undergrad Tight grouping of exoplanets 295RA 45dec
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Undergrad Is the Sun considered a dwarf star?
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Undergrad Electric Dipole Moments: Sun, Earth, Planets, Minor Planets, Moons
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Undergrad How to deal with the celestial meridian?
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Undergrad Dark Matter Size to be seen in our solar system
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Undergrad Can anyone help with this satellite question?
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Undergrad What spatial scales does dark matter become significant?
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Undergrad What is the best source for COBE/WMAP/PLANCK mission data on the early universe?
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Undergrad Questions about planetary magnetic fields
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Undergrad Event Horizon and the Mass of a Black Hole
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Undergrad What causes pressure in White Dwarfs and Neutron Stars?
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Undergrad Safe distance from a neutron star
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Undergrad Meaning of permeability in free space
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Undergrad Why are the planets revolving around their own axis?
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Undergrad Rainbows on Tatooine: A Binary Star System Mystery
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Undergrad Virial Theorem and the Ergodic hypothesis
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Undergrad Comparison of tidal forces acting on the Moon vs Enceladus
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Undergrad Ammonia in icy moons of gas giants
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Undergrad Models of accretion disc emissions contradicted by experiment
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Undergrad Galaxy Rotation Curves: Newton's Shell Theorem Impact
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Undergrad Eclipse Path Explained: Earth's Axis & Moon's Incline
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Undergrad How to model Solar System formation accurately and realistically
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Undergrad Mysterious Agent Blows Up Moon: Can Earth Survive?
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Undergrad Why centrifuges on Earth and in space would be the same?
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Undergrad How common is automation in Astronomy?
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Undergrad What did we know about stars in 1950?
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Undergrad A new exomoon candidate: Kepler-1625b I
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Undergrad Virgo joins the measurement of gravitational waves
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Undergrad What's the Latest Research on Gravitational Lensing?
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Undergrad Proving equation for duration of transit
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Undergrad Quantum bits information lost in black holes
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Undergrad Calculation of daily solar insolation
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Undergrad Solar system simulation -- Significant deviation of some Jovian moons
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Undergrad Why invariable plane is tilted to ecliptic plane?
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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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Undergrad Orbits -- radial verses perpendicular orbits & energy
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Undergrad Stellar reddening via Av calculation
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Undergrad Computer friendly list of bodies in the asteroid belt?
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