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.
High School The aliens are silent because they are dead
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High School The news media on 2 trillion galaxies: Confused, or am I?
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High School Found: The Least Luminous Galaxy Ever Seen
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High School Gravitational wave signal duration
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High School Where is the Void? Universe Big Bang & Expansion
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High School Black Holes and The End of Spacetime
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High School Space Finite? Inconceivable - Thoughts?
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High School Unusual Exoplanet Discovery Using Star Pulsations: KIC 7917485b
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High School Is Spacetime Actually a Superfluid?
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High School Unsolved Mystery: Where Do These X-Rays Come From?
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High School When to see aurora borealis in Lincoln, NE?
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High School 'Strong signal' from sun-like star sparks alien speculation
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High School Does water pressure decrease in zero gravity?
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High School Astrophysics Science Fair Project Ideas?
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High School Delta-v for orbit if already at ideal velocity and altitude?
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High School Unraveling the Mystery of Hydrogen Times Pi Frequency
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High School Explaining the Color Variations of Main Sequence Stars
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High School Aerogel comet particle capture experiment?
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High School What is the total size of the Asteroid Belt in kilometers?
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High School Simulating orbit trajectory based on position and velocity
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High School Fact check: Planetary collisions
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High School Can Non-Rigid Spacesuits Provide Adequate Protection for Space Travel?
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High School Capturing a distant planet's light
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High School Why is planet X always depicted as being blue?
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High School Van Allen Belt "mirror points"-- How do these work?
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High School Do we currently have interstellar com capabilities?
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High School Very close asteroid pass in a few hours
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High School How do stars orbit the center of the Milky Way?
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High School Gold Synthesis in Supernovae: What Form Does It Take and Under What Conditions?
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High School When Did the First Stars in the Universe Form?
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High School What kind of supernova do binary neutron stars produce?
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High School Why Do Stars Show Both Emission and Absorption Spectra?
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High School View Zodiacal Light Before Morning Twilight - Prime Season Now!
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High School Solar Energy at Mars: How Much Can Be Produced?
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High School Can we know what exists in planets' subsurfaces?
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High School Could dark matter be regular matter?
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High School What does a black hole look like from the inside?
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High School Albedo, atmosphere, and predicted temperature of Venus
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High School Is fusion in an accretion disk of a black hole possible?
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High School Do Atoms in Neutron Stars Touch Each Other?
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High School Are colors in astro photos 'real'?
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High School Why Were Planets Visible to Ancient People but Not Us?
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High School Why does the Great Red Spot spin counter-clockwise?
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High School Can the space to have new properties without researching?
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High School Before Big Bang: Can We See What's Beyond?
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High School Understanding the Perseid's Motion in Relation to the Sun
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High School What Makes the Sun's Gravity Well So Deep Compared to Earth's?
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High School Is the Milky Way unique or do other galaxies have these voids in their centers?
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High School Is there a such thing as being outside of our sun's gravitat
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High School Is the Andromeda Galaxy Green Shifted and How is Red Shift Measured in Practice?
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High School Gravitational Orbit: How Size Determines Distance & Speed
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High School The Milky Way's Dark Twin Revealed
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High School What Would the Moon's Apparent Magnitude Be 1000 Times Closer?
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High School Vectors & Gradients: Confused? Get Answers Now!
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High School Where Can I Find Math for Black Hole Firewalls?
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High School Could a research base on Mercury be the key to unlocking solar mysteries?
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High School Where is the CG between the Earth and the Moon
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High School In Cosmic First, Scientists Spy a Star's Snow Line
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High School Outer Solar System Origins Survey, Dwarf Planets and TNOs
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High School Pale Red Dot Mission: Launching Probes to Alpha Centauri in 2030s
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High School Influx vs. radius equation, mistake in the dimensions?
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High School Could We Colonize Mercury Using Sunshades and Heat Shields?
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High School How did direct collapsing black holes form so early in the universe?
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High School How exactly do SMBHs in the center of galaxies form
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High School Orbital parameters of stars orbiting Sagittarius A*
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High School How far from the core is the photosphere/chromosphere?
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High School ASTRO-H Failure Puts Promising Mission in Jeopardy | JAXA Update
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High School Aphelion: See Sun's Size Change Over Year on YouTube
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High School How can I do Astronomy from home?
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High School Constructing Space Without Points: Agree/Disagree?
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High School How does having long exposure help with distance in photos?
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High School A new quasi-satellite was discovered in April: 2016 HO3
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High School Understanding the Weakness of Gravity and its Role in the Universe
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High School What exactly is L, Lz and E in orbital mechanics?
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High School Quasars & Fusion: Could They Generate Energy from Fusion?
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High School Barycenter: Objects orbiting each other
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High School Is There a Limit to How Much Light Can Be Stretched Out in a Black Hole?
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High School Why do stars experience gravity more than its mass?
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High School Why Is the Sun Expanding & Getting Hotter?
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High School LIGO detects second gravity waves
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High School Cosmological data margins of error
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High School What Happens to the Singularity Inside a Black Hole When It Evaporates?
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High School Zero degrees longitude on other planets
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High School Calculating distances with an elliptical orbit
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High School What is the maximum lifespan of a B-class blue giant star?
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High School Kepler's Laws of planetary motion
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High School What Are Love Numbers and How Do They Impact Tidal Deformations?
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High School Jupiter Red Spot Position and more
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High School Equatorial platform: any experiences?
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High School Does the moon rotate on its axis?
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High School Are the axes of celestial objects parallel in a galaxy?
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High School Are Larger Black Holes Less Dense Than Smaller Ones?
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High School Is the formation of galaxy groups explained correctly here?
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High School Walking on a sheet of grippy fabric in space.
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High School Mass in Space: Questions & Answers
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High School CCD: How It Works & Intuitive Explanation
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High School Chemical composition of relativistic neutron star jets?
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High School Detecting Unusual Stellar Shapes: Looking for Perturbed Planets
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High School Shouldn't dwarf planets be a subset of planets?
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High School Why are we still limited in our Moon exploration ambitions?
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