- Is a Liquid Planet Possible?
- Matter - Antimatter Imbalance and Questions About the Universe
- Dark Galaxies
- Supernova minimum mass
- X-ray and skyglow
- hello iv just got in to astonmy and i live in barrow-in-furnes uk i looked out about
- Sun-Earth Distance: Inaccurate?
- End of the universe?
- Stuck on Gravity!!
- [why do the circumpolar stars seem to be revolving from earth?]
- What keeps us in reality
- Is space discrete ?
- Approaching and entering a galaxy
- Soviet and Apollo
- Asteroids made out of the Earth, Moon and Theia?
- Saturn IVb TLI Acceleration?
- The Speed of Light, Acceleration and Alpha Centauri. And one more about a Black Hole
- collapse of the wave function
- [Can water exists on mercury]
- What happens to the positrons in the Sun?
- Black Body.. ?
- AGN SEDs (the spectral energy distribution of active galactic nuclei)?
- Angle where Milky Way is brightest
- question about the apollo program [lost tapes]
- Emission spectral lines
- Big Bang + Distant Galaxies
- how disastrous would this be?
- Pioneer force.
- Specific Question Regarding the ISS
- Question regarding expansion of the universe.
- Solar Eclipse safe viewing.
- messenger's landing
- Quantitative spectral analysis and sunlight
- Do photons experience Time?
- Destroying a Black Hole with Anti-Matter?
- So sound cant travel in space ?
- Saturn's Rings
- Question regarding current references on Solar System Astronomy?
- Betelgeuse supernova any day now? Or is it a hoax?
- [The origin of the Universe]
- Are we 100% certain that the asteroid Apophis is no threat to Earth?
- BHs and asymetric ang. momentum change
- how much mass does the earth gain on any given day?
- Wind on Venus, Earth and Mars Question
- problem with length contraction
- How many times has the moon spun around the Earth?
- Gas giant close encounters and moons
- Some questions about habitable worlds
- Ironies in Science?
- why does 'magnetism' not obey the inverse square law? what about the weak and strong
- Jumping in lower/higher gravity?
- Why is Mars red?
- I don't understand Photons... Help?
- Faster than the speed of light
- How White holes could exist
- Why does the moons orbit increase?
- How is Titan able to retain its atmosphere?
- Why is the Universe Full of Suns?
- Searching for Earliest Images of the Horsehead Nebula
- The Acceleration Due To Gravity Inside The Nucleus
- help explaining shock waves in PN abell 35
- Geomagnetically Induced Currents
- technical terms.
- Would a four launch Gemini moon mission have been possible?
- Some Questions About Quantum Physics...
- Does a planetary ring always settle at the equator?
- Can Dark Energy Break the Speed of Light Barrier?
- Star generations
- Failed Binary Solar Systems
- Accelerating Universe and Dark Energy
- Are forces affected by gravity?
- The Anatomy of a Sun Spot
- Why Are Higher Frequency EM Waves...
- What does the EFE predict about space-time dilation past the EH?
- For a black hole, does the gravitational pull come from the EH or the singularity?
- Gravity and entropy
- Determining My Distance from a Galaxy
- Gravity Waves: Graviton Flux Oscillation or SpaceTime Compression/Rarefication?
- Obsessed with Faster than Light Travel
- Landing on an asteroid
- jrreasons' What Caused the Big Bang
- Can anyone tell me what I saw last night? (And it wasn't a UFO!)
- Lunar Eclipses/ Eclipse Cycles/ Odd Question
- Near-light-speed weaponry: what would it do, what would it look like?
- The three planes of our astronomical neighborhood.
- Solar System Simulator
- Towards a Unified Theory
- Reflection of Light
- The Gravity of the Universe and Linear "Routes".
- a disc free-falling towards a central atrracting mass
- Seeing back in time by looking at stars/planet question
- What are fields ? i.e Electromagnetic and Gravitational Fields..
- Time, Observation & Reference Frames?
- Could we see in fast-forward?
- CMB ripple accuracy news???
- Space, Dark Energy and the Vacuum.
- Center of Gravity vs Center of Mass
- Cultures and legends. Question.
- About this section of the forum (for the natives)
- Space tourism future
- Europa's radiation
- Are the phases of Venus alone sufficient to dispose of Ptolomy?
- Is there a limit as to how big a rocky planet could be?
- A little theory about the expansion of the universe - possible or completely a "NO!"?
- A non-static universe
- Questions about collision that created the Earth and Moon
- Observable universe and causal connection
- Does light that has been reflected still travel at the speed of light?
- what is Space?
- Is there a "Habitable Zone" in the Galaxy?
- moon leaving earth's gravity...possible?
- More Questions About Open Realism
- Question about the Big Bang...
- Does anyone know what fell from the sky Friday night, June 18th, in the Bay Area?
- Where is the Cons. Ang. Mom of the sun?
- Artificial gravity
- How does velocity effect extreme redshift?
- Direction of setting sun at solstice
- How does movement effect gravity?
- A Calm Before A Storm? Is the Sun loosing its spots?
- Time and the Microwave Background Radiation
- Many Worlds question
- How do solar sails work? Can they go on any vector?
- [Gravity at time of Big bang]
- Gravity and the Big Bang
- Higgs/gravity question
- What is hollow earth?
- Energy from colliding supermassive black holes (matter/antimatter)
- Direction of spin in our Galaxy
- Straight forward question about measurement and true distance
- Why does a collision of matter and anti-matter result in a release of pure energy?
- Space Trebuchet
- Planets rotating retrograde to star
- which moon is this?
- Why is the Longest Day not at the Solstice?
- Focused magnetism?
- Unlimited Range of Electromagnetic Force
- What is the maximum size a reflector telescope could be built in space?
- is the acceleration of expanding universe the same everywhere?
- why is our solar system tilted 90 degrees to our galaxy's ecliptic?
- Black hole/ neutron star contracting to a bose einstein condensate
- Friction of a neutron star being sucked into a black hole
- Disappearing full moon ??
- Center of Universe
- Black holes really just large worm holes?
- Something odd [what did I see?]
- Constancy of c
- Tensors and Time Dilation?
- Space Tether
- What's the range of EMP from Kappa Ceti-like Superflares?
- Question about binary systems, Jovian planets, and comet impacts
- How far?
- Is it really possible to shoot a projectile into space with a cannon?
- Another Big Bang/Black Hole question
- Super Astrometry.
- A most likely repeat of multiple previous topics. But 2012 fear none-the-less.
- spin of venus
- Are gravitational and cosmological redshifts easy to distinguish, observationally?
- 'Gravitational redshifting' proposed as an explanation of cosmological redshifts?
- Can speeds faster than c be detected ?
- Type 1a Supernovae
- How much could spectroscopy tell us about an exoplanet's atmosphere?
- how do i estimate the temperature of atomic hydrogen gas....
- Changes of habitable zone area with age of Sun
- Hybrid eclipse frequency
- Black hole question
- Gravity and Negative Energy
- [graviton/anti-graviton ~ inflation]
- Bright star about a degree west of Venus
- Could interstellar vacuum be considered a blackbody radiator?
- Question about Special Relativity
- How to land on an asteroid or comet?
- Expanding Space and FTL
- <Dang> Hollywood.
- Solar Wind acceleration question
- Composition and structure of Hot and Cold asteroid belts?
- Astral Collisions and Near Misses
- Star Trek energy shields are feasible?
- Dark energy, big bang
- Does the Analemma apply to the drift of the planets and stars as it does to the sun's
- Ring around the Ovoid
- A question about the solar wind.
- Stars in Globular Clusters
- Dark Matter and Gravitons
- G1.9 and the Oort cloud anomaly
- Why is dark matter needed?
- Deep Space gravity assisted speed gain
- Iron planets vs Rocky planets
- What if Earth and Moon were same size?
- Super Massive Black Hole Question
- magnetic field as part of light beam
- Radio waves & electromagnetic field questions
- Of Black and White
- CMBR power spectrum acoustic peaks
- stars lighter than the sun
- Keeping track of outer space discoveries?
- The spin issue
- What would an astronomer if they were on a quaser galaxy as it is now
- Is Time Running Out?
- Writing a story: Plausibility of an unknown asteroid hitting earth?
- Followup on Relativity Questions from UT Story.
- Nibiru/Planet X - Why do people refuse to let go?
- Physics questions. Do we weigh less at night time. And would the moon have a tide
- Star 320 Times Bigger Than The Sun Found....
- Moving star
- Stamped envelope on the moon question
- Does dark matter obscure distant galaxies?
- How would one generate a starmap for non-human eyes?
- Planetary Nebula composition
- What happens at ZAMS?
- Travel Backward in Time by Exceeding the Speed of Light
- From where are those images?
- Gravitational effects of neighboring parallel universe objects explain 'Dark Matter'?
- Why Haven't They... Or have they?
- Question about dust
- Orbital precession
- does 1999 RQ36 have a Torino number assigned?
- Uncertainty principle violation
- Does dark matter account mostly for gravity field?
- Dark Matter
- Help me with the pronunciation of these Martian locations
- Lunar rotation rate question.
- Cosmological Models with No Big Bang, is this a valid model being considered?
- Closed down NASA missions
- IF an event horizon doesn't form..?
- Seeing A Supernova
- The K-T Impact event - How Bright in the Sky??
- Need help identifying a solar system body:
- Tensors and QCD physics
- When is a good time to view the pending Aurora?
- General question about Black Holes (BH) and fate of the Universe
- Universe's Energy Level
- which planets are the closest to see in the sky in our solar system?
- Accuracy of a black hole's "inner horizon" and "space falling faster than light"
- Could wormholes make anti-matter?
- Light mass or no mass ?????
- The Direction of our Solar System
- Was our universe born inside a black hole?
- Gliese 581 exoplanet question
- [Photons: Does the energy run out? Or is it infinite?]
- Pair Instability Supanova
- Six men in a box on a mission to “Mars”
- Space-Time Expansion
- What is Space-time made of
- Why can't we see past the Microwave Background Radition?
- Petr Horava's concept of space-time in contrast to GR?
- Need clarification on Black Hole Concepts
- Vacuum bubbles/False vacuum - Theory vs. reality
- A Question regarding a hypothesized exploding super massive black hole.
- Is the sun getting hotter, and dimming slowly?