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 Why does space appear differently to different astronauts?
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High School How many stars we can see from Earth?
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High School Is Voyager 40k years from a star?
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High School Could Solar Wind and CMEs be Causing Magnetic Storms on Comet Catalina?
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High School Anyone see the brief flash in Orion last night?
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High School What is the Physical Meaning of Permittivity of Free Space?
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High School Why there are summer and winter seasons?
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High School Transit of Venus: Venus Passes Directly Between Sun & Superior Planet
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High School So I want to bend space lots of times
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High School Difference between Cosmology and Astronomy
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High School Retrograde Motion: What is it & How Does it Work?
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High School Will We Witness a Daytime Visible Supernova in the Near Future?
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High School What is Dark Matter and Dark Energy?
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High School Newly Discovered Trans-Neptunian Dwarf Planet
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High School Astrophysicists and their use of physics in their studies?
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High School The Mysterious Movement of the Moon: What Does It Mean for Our Weight?
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High School Why Doesn't Earth's Rotation Affect Flight Times?
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High School Weight of Objects in Space: Explained in Layman's Terms
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High School Watching Earth travel in space....what should be the location
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High School What are the various types of cosmic explosions?
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High School About the use of wormhole in the interstellar movie
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High School What Do We Need to Survive on Mars?
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High School Something escapes the corona of a black hole
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High School NEO 2015 TB145: 5 Facts About "Halloween Asteroid
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High School Cell phones used to detect cosmic rays worldwide
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High School "WT1190F" is the name for space junk that will hit Earth
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High School How Are Black Holes Formed and What Are Their Key Facts?
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High School Where Do Wormholes Take Us in Space and Time?
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High School Is this a photograph of water on Mars?
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High School What are the ways we can search for alien life?
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High School Explore the Solar System with a Dynamic Simulator for Teaching - Free Download
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High School Move Mass in Space: How Much Pull?
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High School What Are the Physical Limitations of a Dyson Sphere?
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High School Venus Info: Is It Hot & How to Cool It Down?
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High School Could Life Exist on Mars with the Discovery of Flowing Water?
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High School I've heard gravity can "fling" stuff, how does this work?
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High School Sun & Horizon: Why Does it Look Different?
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High School Find 1.25" Focuser for 8" Newtonian Telescope
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High School Need reliable resources on basic astronomy and quantum physics
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High School What Is the True Speed of Earth in Relation to the Solar System?
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High School Who discovered the cause of a red moon?
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High School Unraveling the Mystery of the Comet Dust Layer
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High School Mars panorama from Curiosity shows petrified sand dunes
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High School Why does Pluto revolve clockwise
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High School Could we throw stuff into space?
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High School Presenting to middle-schoolers on black holes - suggestions?
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High School A little solar activity this week
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High School How to convert Ohms to luminosity?
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High School Galaxies Colliding: A Rare Phenomenon in Space
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High School Solar day and the amount of Earth's rotation
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High School Existence of Universe: How Scientists Determine Galaxy Existence
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High School Lunar and Solar eclipse - same times a year?
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High School Viscosity of Space: Theory & Evidence
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High School The sun at midnight from North Pole
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High School What is the center of the universe?
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High School How Fast Is the Moon Moving Away from Earth?
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High School Is it possible to keep a rip in space open? All info welcome
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High School How far can transmissions go in space?
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High School Is Pluto Really Bigger Than Eris? New Horizons Settles the Debate.
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High School Why does the Earth have a tilt but the moon doesn't?
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High School Help in Understanding Black Holes
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High School Why do planets and stars flicker?
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High School Large, Persistent Eclipse/Shadow On Earth?
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High School Avoid Killer Asteroids: Simple Solution Discovered
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High School Why does the moon orbit the sun?
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High School After supernova explosion sound is created....
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High School Living in a Rotating Space Habitat: Perception and Challenges
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High School What absorbs Ultraviolet radiation?
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High School The Mystery of Gravity: Doubts Answered
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High School Need to exchange a helical focuser for a rack and pinion one
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High School How large an area is that brightly illuminted patch from stars covering?
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High School Will the Voyager Golden Records withstand the harshness of space?
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High School Is This Picture Really About the CNO Cycle?
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High School Are Galaxies in Hubble Telescope Photos of Clusters?
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High School Proof that the moon is closer to Earth than the sun
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High School Discover the Fascinating Rotations of the Moon | Gibraltar to Auckland Views
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High School Question on Comet 67P tail in Rosetta image
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High School Orbiting Eternally: Physics Q&A with Steven
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High School How much energy radiates from Jupiter?
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High School What Would Happen if I Threw My Watch into a Black Hole?
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High School Are there any "Polar" solar system structures?
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High School Conservation of momentum of collision
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High School What happens if we launched a shot from a pistol in space?
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High School Is Oxygen-Based Life Possible in Other Galaxies?
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High School From what dark matter in space consist of?
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High School Have you explored the incredible galaxies at Galaxy Zoo?
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High School Constant acceleration of gravity
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High School Understanding Gravitational Pull and Its Effects on Humans
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High School Planetary Alignment: Mercury Out of Sync
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High School Do we all belong to the same star?
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High School Fake magnification and other information
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High School Are Jupiter's bands visible with binoculars?
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High School Measuring Light Years: How Far Is the Andromeda Galaxy?
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High School How is the radius of the Earth determined?
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High School Can We Fly Faster Than a Train?
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High School What really happened during the Tunguska Event?
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High School Asteroid 99942 Apophis impacting the Earth in 2029
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High School Big Bang Theory Explained: Is It Disproved?
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High School Turning Around in Space: The Challenge of No Gravity
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High School What happen when we reach black hole?
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