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 What to do with unused space in a home freezer?
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Undergrad Did NASA's Curiosity Rover Discover Ancient Organic Matter on Mars?
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Undergrad How many degrees / radians is one full orbit of the Earth?
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Undergrad What does L star mean in the Schechter function?
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Undergrad Are displaced dark matter and curved spacetime same thing?
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Undergrad Why Is the Velocity of an Oort Cloud Object Approximately Zero?
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Undergrad How to check if stellar/galactic spectrum extraction went well?
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Undergrad How is color added to Hubble images?
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Undergrad Understanding 2012 VP113's Perihelion and Its Significance in Planetary Origins
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Undergrad Did astronomers just lengthen the expected life of the Sun by 5 Gy?
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Undergrad Perceived Speed of Objects in Space
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Undergrad V774104: Mysterious Sednoid with No Known Orbit
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Undergrad Andromeda and the cosmological redshift
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Undergrad Relationship between stellar mass and core mass?
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Undergrad Frequency of nearby Supernova Explosions
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Undergrad Atmospheric CO2 and diurnal Asymmetry
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Undergrad How can I go about making a "Space Proof" coating?
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Undergrad On gravity and the conservation of energy
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Undergrad Gravitational difference between a black hole and a star
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Undergrad Are Stars and Planets Differentiated by Nuclear Processes in the Solar System?
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Undergrad Is there a plan for a search for nearby black holes?
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Undergrad Is Jupiter Responsible for the Majority of the Solar System's Angular Momentum?
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Undergrad Colonies on Mars -- fundamental problem
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Undergrad Origin of the Moon: Latest Discoveries and Theories
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Undergrad Dark matter and old shell theorem
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Undergrad Data Model of Kepler's Second Law of Planetary Motion
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Undergrad The Trouble with TESS: Examining its Limitations in Exoplanet Observations
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Undergrad Can two planets share the same orbit without catastrophic consequences?
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Undergrad Can black dwarfs exist in the present Universe
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Undergrad How does the distribution of elements change over time?
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Undergrad Will white dwarfs cool down to blue, then yellow, then red?
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Undergrad How Does the GAIA Program Count 1.7 Billion Stars in Its Image?
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Undergrad N-body Simulations: Density vs Circular Profiles
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Undergrad What is the relationship between gravity and density?
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Undergrad Why Is Convection Efficient in the Outer Layers of Stars?
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Undergrad Calculating the incidence angle of the Sun
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Undergrad Stellar Thermal Energy with no Nuclear source
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Undergrad Source of the weather on Neptune
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Undergrad Origin of the half factor in Euler-Lagrange for geodesics
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Undergrad Dark Matter and who will discover it first?
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Undergrad How to describe the Sun's interior?
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Undergrad Expanding math space implies expanding space?
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Undergrad Milky way arms and the position of the Earth
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Undergrad The Explanation for the Mass-Luminosity Relation
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Undergrad Relationship between star radius and luminosity
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Undergrad Questions About Acceleration and Jerk in Orbits
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Undergrad The Role of magnetic field during the formation of small to medium scale stars
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Undergrad How do we measure the velocity of stars in a galaxy?
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Undergrad Standard Solar Model: Learn About Its Complexity
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Undergrad Diameter of a Galaxy: Calculate Distance/Arc Min?
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Undergrad Star formation and heavy elements
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Undergrad What is the net charge on the Earth?
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Undergrad Why Are Space and Time Considered the Three Dimensions of Our Universe?
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Undergrad Minimizing diffraction in images using a photodetector
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Undergrad Can Newton's Theory of Gravity Explain Planetary Elliptical Orbits?
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Undergrad Why is the density of photons in the Eddington Limit derived this way?
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Undergrad What is the recession speed of a galaxy based on the wavelengths of two stars?
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Undergrad Qs re aspects of the Holmdel Horn Antenna used to find the CMB
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Undergrad Can Tidal Locking Occur in Binary Neutron Stars Before Merger?
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Undergrad [Question] Tell me the latest catching news about black holes
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Undergrad Would you see stars on the early Earth?
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Undergrad Was the Universe Really Dark and Quiet After the Big Bang?
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Undergrad Observation of Alfvén waves heating the Sun's corona
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Undergrad Chandrasekhar Mass and the Relativistic Star: Finding the Value of K for n=3
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Undergrad Is the Sun's Magnetic Field Driven by a Double Dynamo?
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Undergrad Confusion about Corotational and Lindblad resonance
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Undergrad Calculate Voyager trajectory using JPL data
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Undergrad Revolutionizing Space Travel: The Innovative Design of the Circular Module
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Undergrad How close is Earth to the closest black hole?
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Undergrad Wonderful new images of the center of our galaxy
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Undergrad Can a Single Observation Determine Retrograde Motion?
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Undergrad Perceived vs. Actual Velocity in an Expanding Universe
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Undergrad Lunar apsidal precession relative to equinox
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Undergrad Does the pattern of the CMB change?
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Undergrad Supernova - the Birth of One is Spotted
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Undergrad Will NASA Reveal Oxygen in TRAPPIST-1 Exoplanet Atmospheres?
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Undergrad Can Dark Energy Cause Deviations in Extremely Large Black Holes?
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Undergrad How bright will Musk's Tesla car be in the sky?
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Undergrad What it takes to start a space exploration company?
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Undergrad Changing the ISS's orbital inclination to match the Moon
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Undergrad Optimizing Lunar Power: North vs. South Poles for Mining and Moonbase Sites
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Undergrad What is the New White Dwarf Mass Limit?
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Undergrad Detecting Protostars: Light Processing Explained
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Undergrad Extragalactic Planets Observed Using Microlensing
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Undergrad Orbit simulations, tidal forces and planetary oblateness
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Undergrad What Are the Best Academic Journals for Aspiring Planetary Scientists?
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Undergrad Star Gravitational Binding Energy Questions
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Undergrad Type Ia supernova involving binary white dwarfs?
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Undergrad Some confusion about Kepler’s formula
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Undergrad I use an Olll filter to view emission nebula -- how do they work?
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Undergrad Moon vs Earth for launch to Mars
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Undergrad Balmer Series Lines: How Do Hot Stars Contain Hydrogen?
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Undergrad Were all these exoplanets a surprise?
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Undergrad Can anyone tell me if 2009 MS9 is prograde or retrograde?
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Undergrad Are Stars Absorbing and Re-Emitting Radiation from Space?
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Undergrad Detecting Asteroid Collisions: 'Oumuamua & Radio Telescopes
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Undergrad Is Tabby's Star a Binary System or an Alien Megastructure?
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Undergrad Update on liquid water on Mars - maybe it is sand?
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Undergrad How Does Einstein's Curvature of Space Affect Celestial Orbits?
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Undergrad Calculating signal to noise ratio for deimos data
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