- Hot cores...planets.
- With out gravity, would there be no space?
- More of a history question, really
- Possibility of travelling at the speed of light.
- Light and perfect mirrors.
- Two Simplistic Questions to Tear Apart!
- Some Earth Without Land Masses Questions.
- Star feeding
- Multiple moons and tide
- Can of neutrinos
- Strange lights in the sky
- Please help in IYA
- Question about the sequence of inflation and BB
- How would gravity react in increasing dimensions
- Big bang and supersymmetry question(relativity)
- Infinite Universe = Infinite Speed?
- Some questions... (energy & dimensions)
- The Big Rip.
- What change in earths orbit?
- Spin of a black hole?
- References
- what would happen if there were no matter outside a black hole?
- Anti-Matter, Dark-Matter, Missing Matter
- Carbon-oxygen white dwarf collision
- 2 minor Hawking Radiation Questions
- length contration and density
- what would happen if a positron collided with a proton?
- Could the big rip happen if the expansion of space does not include g-bound objects?
- Questions of pressures in space.
- Temperature of an object in deep space
- Simple relativity question
- Is antimatter massless?
- Center of the universe
- Wheeler's astronomical experiment
- Can a terrestrial planet have rings?
- Why cant we see Dark Matter?
- Stars.
- lights in the sky...
- Observation in New York City
- Star temp?
- Collection of Observations?
- Are there any live webcams out in space?
- accelerating observer and contraction
- Earth magnitude from Venus
- Where do electrons come from?
- Current record for humans in earth orbit?
- Fish in space
- Two microgravity questions
- White dwarfs cooling question
- Earliest report of spectrum of quasar host galaxy?
- Small brown dwarf planetary questions
- Astronauts landing in places other than their starting point
- Where to get data for outer Jovian moons?
- Systems of Astronomical +ime
- Asteroid headed for Venus??
- Stellar parallax
- Rogue gas giants and brown dwarfs radiation belts
- Astronomy Science Fair Project for Daughter
- Where did all the oxygen/water came from?
- tired light query
- Gravity: a zero sum force?
- Question on Redshifted photon
- Life on Mars ?
- "noble gas giant"
- Other way to look at the Universe's Expansion?
- where do "virtual" particles go when they pop out of existance?
- Question about Higgs Particle/Field
- Star weather
- Spaceship laser Propulsion Question.
- Three Questions About Struve 2398 B
- Quantum Foam Question
- Noob Question :)
- Escape Velocity
- Life On Mars???
- Colony on a Tidally-locked Planet?
- solar wind/jovian wind
- What is the physical meaning of relativistic velocity?
- Chance for extraterrestial probe to reach
- Hollow Earth/ Flat Earth
- Electromagnetic Radiation
- Bullet Cluster Part 2
- If our sun was the size of an atom, how big would the universe be?
- a gravational wake?
- Unusual Sun Spot
- Black Holes 101
- Blue Shifting Galaxies Question.
- earth is inferior to mars!
- [astrophysics] Will the Sun have a RGB/Horizontal Branch phase?
- Quantum physics confusion...
- Secondary mirror blocking light
- String Theory question
- Telescope at high % of c
- Light from the Past
- Is Mercury's orbit now all accounted for?
- CMB and the parts where we can't look
- Gravity ftw?
- My protons are too heavy...
- Question about sunlight on Moon
- acoustic supernovae?
- CMB temperature calculation
- Reentry Question
- Surface brightness of Uranus's Rings?
- How Real Are Virtual Particles?
- What If You Could See Infrared?
- reconstructed image of lensed galaxy in CL0024+1654?
- Why wasn't Uranus found earlier?
- Black Hole Method.
- Life on Earth as Von Neumann Probes
- How empty are the empty bits?
- Could Earth be detected from Ross 128
- Co-orbitals of moons extrapolation to planets
- Radio signals in Space and going faster than light?
- Water droplet in the vacuum of space?
- [SF] Making an asteroid belt by exploding a planet?
- wave form collapse
- Science fair projects for kids
- Mars/ Earth co orbital--potential for future colony
- Charges on electons and Protons
- HUDF and the number of galaxies in the universe
- The Golden Ratio and the Universe
- Gravity
- Hotter sun
- mission to mars
- Could you ever see a nebula with your own eyes?
- Hypothetical World of Tau Ceti
- Looking for a picture of the Moon
- Could it be we are in a black hole?
- Tidal Locking, need to understand it
- Shouldn't Light from Early Universe be Gone?
- importance of inertia for rotation in a gravity field?
- Orbit Calculation
- Hmmm I am just wondering
- What is intergalactic space like?
- rogue solar systems?
- highly recommended viewing
- meteors and Earth
- Why arent black holes relative to the gravitational well of the observer?
- The Mexican "zone of silence"
- Sol's pole star(s)?
- Icy Planet merged with Earths Core?
- [stellar evolution] what's the kink in the H-R Diagram?
- Is the Universe rotating?
- matter and the spacetime continuum
- Supernova/Chemosynthesis Question
- The New Galactic Spin Rate Question.
- Why are people getting Brain washed by 2012?
- Terrestrial material on co-orbital ("second moon") asteroids ?
- black holes?
- How to calculate constant thrust trajectories
- Why are we searching for gravitons?
- Titan & hydrocarbon
- Determining the Plane of the Orbit of Extrasolar Planets
- Telling Venus from Jupiter
- Opinions on this idea for the Newport Tower
- What's in Earth's upper atmosphere?
- Can black holes take on other shapes?
- How can a pulsar have planets?
- The Moon.
- Heisenberg woes
- A Question About Surface Gravity.
- Moons & Tidal Locking
- APOD 3 Feb 2009 - 'our' Tim Thompson?
- Question about galactic photography.
- Naive question about a jurney to the moon...
- Weird illusion: moving moon
- Negative mass
- Keeping A Heated Shuttle In Space
- Doomed Planet
- Most Distant Solar Binary Companion
- Recurent Nova
- How did they forecast solar eclipses...
- Beta Librae
- What would officially happen if we ever find alien life...
- Speed of jupiter has increased now days?
- Confusion
- No BS, What aligns in 2012?
- Burning out our eyes... with other suns :)
- Cats eye ?
- stars produce microwaves CMB
- Is the Sun Located in a Nebula, Cluster, or What?
- Cosmic Rainbows
- How to Travel through other dimensions
- quantum entanglement
- If Our Day Was Lengthened To The Lunar One
- physics question (bullet flight)
- A few questions (black holes, disks et al.)
- Redshift magnification and flat rotational galaxy curves...
- Number of stars in the universe...
- Direction of sun
- Brightness Of Castle Bravo? (15 Megaton Explosion)
- Causality, FLT movement and quantum mechanics
- Gravity/Dark Matter
- rotation speed of galaxies
- orbital tethers
- Looking for good space games/movies
- Distance to the Moon in Earth diameters
- Betelgeuse at Alpha Centauri's Distance
- might our universe be a 4-sphere?
- The earth in relation to the light horizon
- The corpses of the Big Bangs
- Voting Hubble Target
- Question About X-rays and Cell Phones.
- A question about mission names
- Relativity Smellativity
- Photon Sphere Question.
- question about the structure of the universe as shown by the solan sky survey
- 1 billion year old system?
- I'm confuseed by orbits...
- Bright Spots on Ceres
- Questions on the 'event horizon' of the observable universe.
- What controls long-term variations in the size of the lunar orbit?
- How long to Venus?
- Drawing an accurate crescent Moon
- How big bodies can exist in outer Solar System?
- Number of visible open clusters?
- BB Make up
- The Dynamo of Venus
- In what ways, if any, do photons differ from virtual photons?
- No pics of Pluto
- Jupiter back in our morning skies for season 2009!
- General relativity 101
- Could we collide with "dark matter" ?
- Location of Big Bang
- this dark matter stuff
- Question about Second Generation Stars
- Milky Way gamma emissions
- Thought experiment
- Apollo photo
- Where in the universe would give you the best view
- "surface" gravity of gas planets
- Loose Gas Giants
- Hush's Apollo Photo
- A couple of Apollo related questions
- HST question
- Big Bang. Big Rip? Big Contraction?? Endless cycle???
- Where does the energy come from?
- Precession of Mercury - don't get it
- Astronomical Measurements
- comets and asteriod watching help.
- 1000 year seasons
- Gamma ray bursts
- Data from a guy claiming ancient nuclear weapons use
- Gravitational lensing(or light path bending) and the apparent size of objects.
- Olbers' paradox, across the electromagnetic spectrum
- Detection of individual photons - lowest frequency?
- Age of galaxies related to the age of the universe
- Estimating Sun's Energy Output
- How did all the stars in Galaxies simultaneouslyu ignite?
- Planet formation and Saturn's rings
- Could someone please give this article a review?