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 Earth-Sun Relationship: A Matter of Perspective
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High School How does the sun burn without oxygen?
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High School From where did our earth get its initial velocity ?
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High School Solar system is bigger than previously thought
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High School Can you recommend any resources for Astronomy?
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High School Why doesn't the moon eventually drift into space?
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High School Can We See If A Planet Is Inhabited 1 Million Lightyears away?
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High School How is one black hole is larger than another?
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High School Comets in the Northern Hemisphere vs the Southern?
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High School ~12mm EP and a barlow or just one good ~6mm EP
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High School What are the best eyepieces for my new Orion XT8 telescope?
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High School How close does a spacecraft get to Tethys during a mission?
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High School Why doesn't light travel infinitely fast ?
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High School Is Andromeda Really the Nearest Galaxy to the Milky Way?
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High School What Determines Planetary Speeds?
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High School Geminid meteor goes the wrong way.
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High School Is Russian meteor related to a asteroid known as 2012 DA14?
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High School Astro Physics Project Ideas for my National Science Fair
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High School What Do Milankovitch Cycles Reveal About Earth's Orbit?
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High School How does mercury exist in the Sun's presence.
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High School Is the Earth's Core Solid or Liquid?
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High School Which materials would survive at near absolute zero, intact?
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High School Is Earth's Gravity Changing Day to Day?
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High School Question on the history of calculating the orbital of planets
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High School Is it possible to be completely still in space?
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High School Why planets in the solar system lie almost in a plane
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High School In essence how does time travel relate to space?
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High School Can the Sagittarius and Canis Major Dwarf Galaxies be Seen with the Naked Eye?
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High School Realistic space flight simulator iOS
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High School Stars Rotation | What is Angular Momentum?
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High School Has Andromeda Moved Closer in 2.5 Million Years?
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High School Astrophysics Prerequisites Question
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High School Unraveling the Mystery of Sagittarius A and A*
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High School Does the Milky Way Orbit Anything? Investigating Our Galaxy's Center
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High School The Universe. Orderly, Chaotic, or some of both?
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High School Earth revolves in eliptical path?
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High School Sun's path in the sky during Equinox if watching from equator?
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High School Why Does the Sky Appear Blue? Why Can Stars See Us?
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High School Stars of Constellations exist in what Spiral Arm of the Milky Way Galaxy?
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High School Visual respresentations of topics in Astronomy
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High School How Are Black Holes Formed?
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High School Is Astrophysics the right course for me?
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High School Force needed to move a free floating object through space
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High School Big Bang Theory: Force & Surface Questions
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High School Why Can We See the Corona Sphere During a Solar Eclipse?
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High School Please, help with observation plan
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High School Why Is the Solar System Structured the Way It Is?
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High School Where can I find a downloadable database of stars?
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High School What Existed Before the Big Bang?
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High School General question, where can I learn about all the constellations and
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High School What is the Definition of Space in Physics?
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High School Method for spaceship to be absolutely still in space
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High School Since the earth orbits in an ellipse, not a circle
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High School Does the Earth actually revolve around the Sun
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High School Planet Found Orbiting Alpha Centauri
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High School Can I see stars through the moon?
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High School Did Mars Once Have Flowing Water?
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High School Life in the Early Universe: Origins and Evolution
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High School Can a person catch an object in space and stop it without being pulled along?
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High School Simple Question about the Solar System/Planetary Systems
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High School Duke University Astronomy 101 Online Course
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High School Radio communication from the galaxy's far side?
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High School Is Jupiter Brighter When Far from Venus?
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High School Gravitational Pull: Sun vs. Earth's on Moon
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High School Black holes and gravity basic questions
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High School Magellanic Clouds — two irregular dwarf galaxies in the Milky Way
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High School What is the easiest way to start college in Physics, Astrophysics, or Astronomy?
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High School Short term atmospheric retention.
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High School What should I do to become an astrophysicist at 13 years old?
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High School Why Do Star Trails Appear Denser on One Side of the National Geographic Photo?
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High School Is Earth's Thin Atmosphere Caused by the Moon?
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High School How long will it take for the Earth to become tidally locked to the Moon?
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High School A trivial question but who can answer it ? (Friend from Algeria)
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High School Stars: North, South & Equator Positions
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High School Is the Earth Electrically Charged?
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High School Positions of stars as seen from Mars-different than from Earth?
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High School Role of Neutrinos: What Are They and What Do They Do?
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High School What would happen to a bullet shot into space?
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High School Got doubts about Curiosity surviving Mars landing
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High School Understanding the Moon's Phases: Debunking Common Misconceptions
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High School When a star forms where does the Gravity come from?
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High School How strong is gravity in the center of the earth?
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High School Does Gravity Ever End and How Does It Affect Objects in Space?
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High School Could an ~12ft rocket launch some sort of probe into space
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High School Why Can't We See Stars Beyond Earth?
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High School Half of moon fluctuates in luminosity and hue randomly, why?
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High School Looking further and further into the past?
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High School How many degrees of view is cosmic microwave background?
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High School How do you define a planet's rotation?
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High School Night sky and supernova questions
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High School Pluto's color changes as it makes its closest approach?
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High School What Were the Two Bright Yellow Lights in the Sky on July 10th?
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High School Is the Universe Really Flat and What Lies Above or Below the Earth?
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High School For Just How Long Has the Periodicity of Halley's Comet Been Known?
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High School Has There Been a Recent Supernova in Andromeda?
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High School Comet near the sun whose orbit is?
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High School What happens to an empty can in space?
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High School Does Space Need to Be Filled for Distance to Exist Between Two Objects?
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High School Can anyone help me disprove something
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High School Objects in Space: Does Microgravity Change the Rules?
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