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 Help calculating planets attributes
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Undergrad What Caused the Change in Earth's Orbit 125,000 Years Ago?
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Undergrad Did Mars belonged in Earth's Orbit at one time?
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Undergrad Why are there Magnetic Fields on the Sun?
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Undergrad How Does the Sun's Motion Appear from Earth's Perspective?
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Undergrad Tracking the Sun's Galactic Orbit: Uncovering the Origins of Our Solar System
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Undergrad What is the relation between gravity and light?
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Undergrad Coordinate systems in the solar system?
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Undergrad Force of Gravity in terms of Density
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Undergrad What Happens When You Go Through a Wormhole?
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Undergrad Formulas for Elliptical Orbits X,Y,Z Co-Ordinates
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Undergrad Where does the missing energy go in redshift?
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Undergrad How Do Black Holes Influence the Path of Light?
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Undergrad Could Titan Support Life Like Earth in the Future?
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Undergrad Electromagnetic frequency question
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Undergrad Betelgeuse Supernova: Did It Happen?
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Undergrad Uncovering the Mysteries of Black Holes
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Undergrad Can Time Travel Alter Our Perception of Reality?
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Undergrad Research Topics for B.Tech Mech Engg @ ISM Dhanbad
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Undergrad Does the center of the galaxy always appear brighter than the rest?
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Undergrad L1 Lagrangian Point: SOHO & ACE Time + Human Mission Possibility
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Undergrad Hello Can someone tell me what sources in the Universe produce
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Undergrad How Are Declination and Right Ascension Measured in the Celestial Sphere?
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Undergrad Star populations by spectral classes and masses
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Undergrad Star generatations making elements
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Undergrad What Are Some Math-Focused Astrophysics Thesis Ideas?
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Undergrad Simplified LaGrange Point Calculation
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Undergrad Why Is the Search for Extrasolar Planets Crucial for Humanity?
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Undergrad Directing Space Junk to the Moon: Feasibility & Benefits
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Undergrad The firmament is not as we see it, but
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Undergrad Could This Be a Nova or Supernova Seen on Dec 26?
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Undergrad Questions about Black Holes: Can Objects Survive? Can Light Go Through?
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Undergrad Converting Intensity into magnitudes
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Undergrad Can Black Holes Consume the Entire Universe?
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Undergrad How Do We Measure the Size of the Universe?
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Undergrad How to calculate the orbit of a minor planet?
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Undergrad Why Do Some Galaxies Have Warped Structures?
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Undergrad Why has no one seen Neptune with the naked eye?
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Undergrad Is dark matter hiding in plain sight?
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Undergrad Does Gravity Affect Nuclear Reactions in Space?
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Undergrad Question about expanding universe VS gravity pull.
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Undergrad Are LMC, SMC approaching the Milky Way ?
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Undergrad Qualifying Radiation Detectors for Space: Homework Help Needed
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Undergrad Death of Mars: How a Volcano Could Trigger Planetary Extinction
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Undergrad Calculating Kinetic Energy for Rotating Planets
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Undergrad What is the true scope of our universe?
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Undergrad Astronomers use earth-based spectroscopy
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Undergrad Calculate Aphelion Distance & Velocity of Comet at Perihelion
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Undergrad Is There a Massive Time-Image Gap in Observing Distant Galaxies?
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Undergrad What Causes Pluto's Elliptical Orbit Around the Sun?
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Undergrad Transmission Bandwith though space
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Undergrad Trying to find out how exactly we find out how big the visible universe is.
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Undergrad Are AGNs or GRBs a greater danger for life on Earth?
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Undergrad What Can the Gravitational Binding Energy Equation Tell Us?
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Undergrad Is there cyclic motion of galaxies?
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Undergrad How Can Physics Enhance Your Science Fiction Space Adventure?
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Undergrad One question about Parabolic and Hyperbolic trajectory.
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Undergrad What Are the Key Components That Influence Gravity?
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Undergrad Does the sun have angular momentum?
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Undergrad Find Apparent Magnitude of Binary Star System w/o Distance
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Undergrad Understanding the Sun's Galactic Coordinates
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Undergrad Understanding Units of dex^-1 in Number Density Measurements
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Undergrad Liquid water on Venus in early history.
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Undergrad Short existence of liquid water on Mars (explanation related to thin atmosphere)
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Undergrad Help deriving this elliptical orbit equation?
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Undergrad Orbital energy of ellipse and hyperbolic trajectory
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Undergrad Why Can't Rocky Planets Exceed 14 Times Earth's Size?
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Undergrad CFD in Astrophysics, ideas for a senior project
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Undergrad What Would Happen if Two Black Holes Got Too Close?
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Undergrad Answer "What Does C=Vλ Mean? Find Energy of Photon
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Undergrad Energy required to the Moons orbit
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Undergrad When Will the Sun Transition to a Black Dwarf?
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Undergrad Can Supermassive Black Holes Really Exist and What Evidence Supports Them?
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Undergrad Are Distant Galaxies Moving Faster Than Light?
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Undergrad Mass of molecular clouds versus stars
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Undergrad What is the Titius-Bode Law and its significance?
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Undergrad Confused on Gravity: Is Gravitational Force Strong Enough for a Black Hole?
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Undergrad Voyager & Newton: Orbits and Mechanics Questions
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Undergrad Where do the 'bars' in a barred spiral come from?
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Undergrad Semi-major axis from cartesian co-ordinates
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Undergrad Space in Atoms: Fusing 2 Together - What Happens?
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Undergrad Can Two Particles in a Vacuum Attract Each Other?
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Undergrad Calculating Orbital Velocities in a Binary Star System
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Undergrad Deriving Kepler's Law: Negative Sign Explained
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Undergrad Is Faster than Light Travel Possible?
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Undergrad What Caused the Universe to Expand So Quickly?
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Undergrad Understand Sideral Time & Calculations - Sept.22, Nov.22, RA 2200 Hours
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Undergrad Chemical composition of solar system
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Undergrad How To Find Angular Momentum of Elliptical Orbits
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Undergrad What Causes Earth's Elliptical Orbit?
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Undergrad Planets Forming Inside vs. Outside the Ice Line
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Undergrad Pale blue dot: what causes the bands?
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Undergrad A non-technical explanation for FTL quasar motions
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Undergrad Calculation of orbital speed for given eccentricity
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Undergrad How can artificial gravity be created on space stations using rotating rings?
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Undergrad Is Star Formation Just a Matter of Lag Time?
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Undergrad Question about a Carl Zeiss lens
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Undergrad Planet Rotation: Questions & Answers
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Undergrad Why Do Revolving Bodies Have Elliptical Orbits?
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Undergrad What is the True Density of Space?
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