- sun transit
- Question about thermodynamics and the creation of the universe
- New horizons space craft trajectory corrections
- Broad spectrum analysis equipment?
- Vectors of Canopus and Vega
- How far do the anti-isms stretch??
- gamma ray bursts
- Are any field stars young?
- did a gamma ray burst kill the dinosaurs?
- more planets beyond pluto?
- E=MC2: why?
- is the IAU definition of dwarf planet already official?
- dark side of the moon
- what really happened in tunguska, russia?
- Astronomy question for a webcomic
- is there more than one Universe?
- December 21, 2012 so what will happen on this day?
- does the position of proxima centauri to the sun ever change?
- expanding universe
- when voyager 1 and 2 makes it out of the heliopause, what do astonomers expect to see
- Defining points in 4D space
- What would be the intersection between two 3-spheres?
- astronomy history question
- Accuracy in the movie Knowing
- Frequency shift of photons emitted by rotating objects
- Traveling to the past
- Some Questions About Hubbles Launch
- stray asteroids orbiting earth
- Looking for Quasar photos
- CMB Question
- Infrared
- a big-bang question
- Expansion
- Increasing mass on spinning neutron star
- The Big Bang
- Comet Trails and Meteors
- Introduction, and questions for my future
- Is it possible to hear a meteor explode?
- Why do all the gas giants look different?
- what good is thinking , imagining
- Spectra Question
- Shuttle roll
- halo around galaxy
- Moon crossing ecliptic
- Dc em
- Final Notice... Debunked ?
- How are hominid fossils dated?
- Speed and dark matter
- Is 186000 MPH actual fastest speed of light?
- Is this picture authentic from MARS?
- Creating a solar system..need help with my calculations
- Question about Apollo 11
- Earth's Electromagnetic Field
- Solar motion as viewed from the Moon
- What's the deal with the SRB cams?
- Gravitational Fluctuation Question
- How dense is a nebula ?
- Why is relict radiation black?
- What are evancescent waves?
- Ocean tides
- Asteroids sinking islands
- A question, Whats next ?
- eclipse
- About the Martian atmosphere
- Causality
- Lunar Lava Tubes
- Can naybody tell me what Kitt Peak telescope this is?
- Quasars
- Isotopic Abundances?
- What forces are acting on a body in 'freefall' ?
- Longest eclipse??
- Do stars create energy (heat)
- travelling with light
- Heavens above accuracy
- Meteorite experiment
- A First Course in General Relativity
- Where is the COM of the Observable Universe?
- Planetary angular momentum exchange
- What will happen with the Shuttle Robotic Arm?
- Can Jupiter become a star?
- lightspeed and communction
- Confusion about Redshift due to Universal Expansion
- Quarter Phase Calculation
- Magnitude of ISS + STS 127 = what?
- Newtonian Causality
- National Space Centre - Leicester, England
- A scope question
- Saturn V questions
- When does a photon turn into matter?
- Why doesn't the Neutron Star Decay
- Cosmic Rays
- problem with conceptualization
- Subatomic particles
- Dark Energy and its role in our existence
- UFO Surveillance
- Distances to Stars and Relativity
- Viewing "curved space" perfectly "flat"
- Comet question
- Does the Allais effect detect gravitational waves?
- Size of iron meteor that could deorbit?
- Basic math question (Venus apps.)
- night star
- decay in a centrifuge
- Could a nearby Earth-threatening GRB not even be possible?
- Redshift
- Reasonable explanation for lights in the sky?
- Does apparent t1me dilation, of fast objects depend upon where you are looking from
- Solar magnetic loops, oblateness and gravitational pull
- Late heavy bombardment on Mars
- QM and relativity
- Astronaut birth order
- Is the Sun Pulsing?
- What's a good astronomical society round SE England?
- Planets of unknown period
- T1me on Mars...
- More .... yes folks ... more questions about BH evaporation.
- Difference in weight depending on location of moon/sun
- How to *exactly* calculate Pi
- Edwin Hubble and Andromeda
- Supernova candidate
- dilation
- Entropy and Do atoms age?
- Do all forms of energy bend spacetime the same way?
- What is matter?
- Jupiter Observing Guide for August 2009
- What was that with Gravity probe B?
- fabric of spacetime
- Favorite exoplanetary system?
- Cosmic/Galactic Calender?
- light and gravity drag
- A few luny questions
- Does quantum tunnelling permit escapes from black holes?
- Anybody got ideas on Ancient Astronomy?
- looking for logic
- Rotation at light speed
- Conservation of entropy?
- Can entropy in a living system decrease?
- Black Holes
- How the planets formed?
- Martian Ice Structures
- Can you 'jump' into a fourth dimension?
- Superluminal Travel...I wan't to believe :P... would this "work"?
- Question about the effects on Neptune ...
- Is the speed of gravity altered by a medium?
- Questions on Pauli Exclusion Principle and Quantum States
- The Boom/Splat Photon Hypothesis
- Why is lightspeed the fastest?
- How many new stellar populations will there be?
- Venus as a gas planet
- The Beaten FTL Horse ("special" frame)
- Possibility of gravity produced by information ruled out?
- The Moon: Specular and Diffuse Reflection
- How do we know?: A conversation about the periodic table
- Great Attractor/Dark Flow
- Conservation of momentum
- Perseid meteor shower View from Afghanistan
- IAU process for planetoid naming
- 812 in universe
- Perseid meteor shower
- earth's anomalistic year
- Any theory can be made covariant?
- Question...what did we see?????
- Quasar's effect on it's galaxy
- Voyager 2 launch date
- Changing Speed Of Light
- Radio jets and galaxies
- If we landed on the moon right now.. [footage/photography]
- Perseid
- greetings to all ! [crater seen in google Earth?]
- How would "pre-Hawking radiation" work?
- No gas giants
- Looking at sunset through binoculars
- Question about microgravity
- "true" speed of light 187,000 mps?
- What lensing effects does the expansion of space produce?
- The August Mars hoax email
- Darn we're small - but is this accurate?
- If we live in a 3-sphere, would we be able to see stars on the other side?
- Does everything Have to Always be moving?
- Question about Photon as force carrier
- orbital mechanics, robot satellite
- Big Wave Theory
- Space Station "Artificial" Gravity
- hellion 1957 to hit the sun this weekend?
- Expansion vs collision
- Pre-pioneer picture of Saturn
- Planet Walk - In Space!
- What is dark energy
- Can a Solar System be formed...
- yes another question...about sun like stars...
- Question on the law of conservation of energy/matter
- Does light "fall" in the same way as an object?
- Does magnetic reconnection violate the conservation of energy?
- newton reloaded
- ATX training sessions at Kennedy Space Center
- Naming visible stars
- If the sun where to turn into a black hole...
- Is light considered to "slow down", in gravitational fields?
- orbital mechanics, robot sat 2
- Dumb question? [ RCW as in RCW 86 ]
- Expansion of the universe
- 10^120 times difference between quantum theory and the cosmological constant
- mars near earth
- What would happen if the earths rotation slowed?
- Are gravitationally lensed objects blueshifted?
- integration at Schwarchild radius
- Would a photon be emitted, if its fate was only to infinitely redshift?
- Extrasolar moons?
- How the Universe can come from Nothing. Vacuum Fluctuations and Virtual Particles
- length contraction in gravitational field
- Saturn Ring density waves?
- Nebula classification
- deriving the Schwarzschild metric
- Need ideas to promote my IYA2009 Project
- Expansion of the Universe and Spacetime
- alternative isotropic Schwarzschild metric
- angles in Schwarzschild metric
- Photospheric pressures
- Mass of the universe
- What is "the truth" about who invented the telescope?
- Stellar Re-count
- Infinite Universe....Fate?
- Black Holes and Quantum Mechanics
- Cancellation of gravitational t i m e dilation at isogravitic points?
- what is the purpose of antimatter?
- Light and the 'edge' of the universe
- Question about binary planets
- Did the universe expand faster than the speed of light?
- Milky Way Structure
- Details hurting my brain
- one more integration
- Lines and Curves in Motion Questions
- Distances between planetary orbits
- cosmic rays, plasma frequency - sense, nonsense, or ...?
- Interstellar environment
- Projects canceled because of Apollo
- Manifolds
- torque and orbits
- Ti m e dilation formula
- Why isn't the universe totally symmetric and uniform?
- Hypothetical Theia - How would it have looked from Earth?
- A Question About Uniqueness
- Shuttle/satellite orbital dynamics
- Is There a Layman's Definition of Spacetime?
- Superluminal relative velocity
- Contraction of Universe when density > critical
- Gravitational Decay?
- Sound in Space
- Earthshine During a Total Solar Eclipse?
- Stars/matter in spiral arms