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 Using Sloan Digital Sky Survey to find Planets
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Undergrad How Do You Calculate the Minimum Velocity to Escape the Solar System?
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Undergrad Polar coordinates of solar system
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Undergrad Life on Mars: Evidence of Ancient Life?
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Undergrad Why Doesn't the Sun's Core Contain Heavy Metals Like Earth's Core?
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Undergrad The current planet count stands at 490
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Undergrad Impacts of Excessive Gravity on Planetary Life
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Undergrad Kepler's Third Law: Mass of Sun and Newton's Law
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Undergrad Calculating Earth Masses in a Planet with Earth-Size and Moon-Density
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Undergrad Black hole gravitational question
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Undergrad Is space, time and energy linked?
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Undergrad Is Dark Matter Different from Dark Energy?
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Undergrad Constellation of date and the actual constellation that follows the sun
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Undergrad What Do You Call the Quantity When You Multiply Light Flux by Detector Area?
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Undergrad Ow high above the horizon the sun would be on the vernal equinox
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Undergrad Quick angular measurement question about moon. Thanks
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Undergrad Why Do Galaxies Have a Spiral Shape? Understanding Gravity's Role
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Undergrad How do you calculate an intuitive date and time from the BIG BANG to NOW? :-)
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Undergrad Calculating Synodic Period using Sidereal Period: Is there a Reliable Formula?
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Undergrad The black hole isn't actually a hole
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Undergrad Is the universe a closed system?
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Undergrad What causes variations in redshift measurements?
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Undergrad The universe is expanding & the universe is infinite
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Undergrad Asteroid Sterilization: Size and Impact on Earth
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Undergrad Relationship between Altitude and Latitude
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Undergrad Have you ever taught orbital mechanics to middle schoolers?
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Undergrad See the Light of Creation: Viewing the Big Bang
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Undergrad How do distance and age relate in astronomical measurements?
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Undergrad What form of energy is lost when a planet changes orbit?
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Undergrad Universe from Nothing: The Mystery of the Big Bang Explained
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Undergrad Prove Binary System Brighter by 3/4 Magnitude Than Single Star
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Undergrad Distribution of stars in spiral galaxies
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Undergrad Telling time with Jupiters moons?
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Undergrad How Would a Carrington Event Affect Modern Computers?
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Undergrad Looking for data on the orbit of S2 star
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Undergrad Is Voyager 1 Approaching the Oort Cloud?
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Undergrad Gravitational effects of planets on each other
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Undergrad Quasars - how do they emerge from black holes?
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Undergrad Where in the sky do meteors come from at any arbitrary point in the year?
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Undergrad Amount of iron in the solar system
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Undergrad Why Don't Sunrise and Sunset Times Change Symmetrically?
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Undergrad Kepler's Third Law orbiting planet
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Undergrad What is the Hill Sphere and how is its formula derived?
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Undergrad What is the diameter of star clusters?
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Undergrad How Fast Is Earth Moving Through Space?
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Undergrad How do supernovae and hypernovae form and what is the corpse left behind?
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Undergrad Comet SL9 colliding with Jupiter
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Undergrad Black holes (didnt know where to put this question)
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Undergrad What the hell is a Johnson V Magnitude?
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Undergrad Question: what is the resistance forming spiral galaxies?
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Undergrad Time Frame of Sun on Ecliptic Plane vs Equitorial
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Undergrad Is the Big Bang Still Happening and How Does it Influence the Universe?
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Undergrad Ask an Astronomer: Mars and the Moon on August 27
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Undergrad Is cosmic back ground radiation able to somehow not dissapate?
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Undergrad Where to Find Journal Papers on Dark Matter?
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Undergrad Alien Contact & the Drake Equation: Agree or Disagree?
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Undergrad Basic Question about Star Formation
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Undergrad Photometric data from SDSS fits files
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Undergrad How Long is the Moon's Heliocentric Path and Its Mean Speed?
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Undergrad Wayward Stars: Has Ejection Ever Been Observed?
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Undergrad What Are the Lunar Frequencies and Radiations Impacting Earth?
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Undergrad Balmer Discontinuity: Place & Wavelengths
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Undergrad Why Did Mars Die? - Unveiling Its Geological Mystery
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Undergrad Has the Gravitational Constant Been Measured on the Moon?
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Undergrad What is the impact of the Sun's magnetic field flip on Earth and its satellites?
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Undergrad Can someone explain Pulsars and Quasars?
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Undergrad CCoronal Mass Ejection Aug 2, 2010: Implications for Earthbound Folks?
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Undergrad Could a Solar Flare destroy life on our planet?
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Undergrad Velocities of earth's atmosphere, exosphere etc
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Undergrad Angular Momentum & Artificial Gravity in a Spinning Space Station
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Undergrad Determining the radius of a star
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Undergrad Rotating planets and magnetic fields
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Undergrad Big bang, schmig bang: everything's just shrinking
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Undergrad Send Radio Signals to Other Stars: Accounting for Arrival
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Undergrad What are the forces on an object in near-Earth orbit?
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Undergrad The Mystery: The Causes of Gravity Explained
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Undergrad Pressurization in an enclosed space
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Undergrad Where can I find the actual velocity and position of earth at a specific time?
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Undergrad Dwarf Stars: Detecting Low-Mass Stars in the Universe
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Undergrad A simple algorithm, with no use of the mass, to reproduce the 3 laws of Kepler
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Undergrad Exploring Orbital Velocity: Significance and Applications
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Undergrad Can Black Holes Break the Rules of Time?
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Undergrad Actual year/day vs earth's movement
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Undergrad Questions Regarding an Alternate Planet
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Undergrad What Is the Difference Between Dark Matter and Dark Energy?
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Undergrad Could a planet ever be split into two halves?
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Undergrad How does the space station survive the damages caused by debris in space?
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Undergrad What is the best scientific method to deep space travel
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Undergrad Shockwaves and thermal energy created by a dying star
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Undergrad Eternal universe vs finite life of stars
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Undergrad What does light emitted by quasar convey?
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Undergrad Why Do Vectors Cause Issues in My Orbital Simulation?
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Undergrad Calculating distance using absolute and apparent visual magnitudes
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Undergrad Where are the starting points for measuring celestial coordinates?
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Undergrad Formation of the Sun: How Did Hydrogen & Helium Form the Core?
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Undergrad Launch Loop to Space: Questions & Answers
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Undergrad GPS - Doubt regarding RMC speed value in NMEA files
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Undergrad Reaching Alpha Centauri in human lifetime
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Undergrad Understanding Motion in Space Calculations
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Undergrad Solar declination / solar panel array design
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