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 Which is better to colonize: Mars, the Moon, or Deimos?
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High School Why do black holes have infinite density, mass, and gravity?
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Graduate Human Implications of Space Travel: A Psychological Exploration
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Graduate Chandrasekhar Mass - White Dwarf
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High School Keeping Time on Mars: A New Calendar System?
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High School Hot Jupiters & Kepler's Laws: Does it Violate?
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High School Is Our Brain Limiting Our Understanding of the Universe?
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Undergrad A multiple-impact origin for the Moon
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Graduate Can white dwarfs have iron cores?
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Undergrad Structure of Earth, pressure and density model
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Undergrad What Is the True Nature of Dark Matter?
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Undergrad Is the Strange Star's Composition Similar to a Bose-Einstein Condensate?
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Earth vs. Space Research: Which One Holds More Importance for Humanity?
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High School New star in the skies -- Plausible?
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High School Problems With a Terraformed Moon -- Maybe?
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Undergrad Can Black Holes Explain the Mystery of Dark Matter in the Universe?
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Undergrad Gravitic Field of Rotating Disk-Shaped Mass Along Ecliptic
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Stargazing How Can a Grain of Sand Create a Bright Meteor?
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High School Significance of a planet's "surface gravity"
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High School Move vehicle in space by rail structure systema
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High School Confused about traveling at the speed of light
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High School Is the Earth in its original orbit?
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Stargazing Nebulosity is a hard program for the aged?
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High School B Calculating the age of the universe with the Hubble constant
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High School Black Holes & Time: How Do We Observe Movement?
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Undergrad Galaxy Merger and Damped Oscillation?
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High School What is your favorite planet of the solar system?
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High School If Earth moves at 500,000 mph then why don't satellites stay behind?
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Undergrad Is angular momentum conserved in a Supernova?
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Undergrad Can 21 cm Emission Be Detected in a Laboratory?
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High School Does dark matter make black holes bigger?
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High School Are OH molecules in masers ionized?
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Undergrad Is Stellarium More Accurate Than VSOP87?
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High School Are asteroids found by the light they reflect?
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Undergrad Why do things fall into a black hole?
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Undergrad Why do planets follow the same curvature at both foci?
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High School Determining the transition frequency
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High School What would happen if 6 black holes surrounded a planet?
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High School Could a black hole be hiding inside a neutron star?
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Undergrad How do mass and temperature change in black holes due to Hawking Radiation?
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Undergrad Bullet clusters & CMB accoustic peaks dark matter
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High School Answers to Beginner Questions about Black Hole Event Horizons
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Graduate Understanding MASERs and their properties
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High School Can Orbiting Bodies Slow Down Over Time?
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High School Black Holes & Time: A Closer Look
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Undergrad Does Free Space Permeability Change with Applied Magnetic Fields?
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High School Temperature in the space between planets of our solar system?
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High School Spiral Galaxies: Why Do Arms Bifurcate & What's Moving In/Out?
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High School Discussing Juno/JunoCam Mission and Jupiter Data
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High School Dark matter interacts with visible matter via gravity
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High School Is a Black Hole Really Just a Spherical Structure?
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Undergrad Where does a polytropic EoS come from?
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Undergrad Black Holes: What They Are & What They're Made Of
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Undergrad Black Hole Time Dilation: What Would an Astronaut See?
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Undergrad Planet Composition: Detecting Exoplanets via Spectroscopy
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High School Living on Titan: A New World for Humans?
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High School Action and reaction of a rocket in space.
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High School Is the effect of gravity limited by distance?
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Undergrad Terraforming Mars: Possibility or Pipe Dream?
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Stargazing How Can Both Jets from a Black Hole Appear to Move Faster Than Light?
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High School Are all galaxies moving away from the Milky Way?
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High School Thickness & Distance of Milky Way at Sun's Location
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High School Are black holes white or monochromatic?
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High School Height measurement on other planets
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Graduate Density of White Dwarfs: Questions & Answers
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Stargazing Researching AN Ursae Majoris B for Supernova Possibilities
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High School Luminosity and neutrino questions
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Stargazing What Is This Strange Light in the Night Sky?
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High School Re-evaluating Dark Matter and Kepler's Law in Spiral Galaxies
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High School Retrograde star orbits in the Milky Way
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Stargazing Where Is the Hubble Telescope in Orbit?
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Undergrad Nebulosity around Pleiades stars
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High School Quantisation of light and Doppler effect
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High School Will Voyager 2 Pass Sirius While Orbiting the Milky Way?
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Undergrad If there is life on Mars should people stay home?
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Stargazing Another supermoon to observe/photo
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High School Weird quantum property of empty space?
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Undergrad Is Dark Matter the Key to Understanding the Cosmos?
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High School The Semi-Major Axis of Binary Stars
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Undergrad Percent of stars in our galaxy that belong to clusters?
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High School Can we use technology to view the past through stars?
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High School Neutron Stars and Angular Momentum
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Undergrad Why are craters on the Moon nearly all circular?
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Undergrad How do I compare a model to logarithmic data?
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High School Trying to study the major constellations
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High School Mass of Sun/stars (elemental/molecular vs. plasma)
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High School So I don't understand moon eclipses
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Undergrad Scale of a in MOND and cosmological constant
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Stargazing Can Pluto be seen with amateur telescopes?
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High School Creating Universe from "Nothing": Astrophysicists Debate
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Undergrad Chemical Life Possible in Brown Drafw Atmospheres?
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Undergrad Does time dilation prevent event horizon formation?
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High School What is the Hoyle State of Carbon and How Does it Contribute to Star Fusion?
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Undergrad Converting galactical coordinates to horizontal/geographical coordinates
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High School Progress direction of the Aldebaran occultation by the moon
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Graduate Space Travel: Overcoming Cosmic Radiation Challenges
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Undergrad Solving the Andromeda Problem: A Newbie's Guide
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High School Can Anything Survive a Black Hole's Gravitational Pull?
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High School How do we study space-time singularities?
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High School Mars' Global Sandstorm: Causes and Effects
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