- How massive of a black hole would it take to stop the visible universe from expanding
- Are quasars signifigantly blue shifted?
- does gravity red--shift light?
- CMBR - is there any static?
- X-ray source detection
- elliptic integrals
- A new approach to gravity??
- Neutron star spin
- From Sauna to Furnace...
- Dense bodies of dark matter?
- 5n1 - light, expanding universe, black holes, quantum
- Star Moving Through Nebula Questions.
- weird planet idea
- Black Hole / BH-Sun Death Spiral
- Solar Popping Core
- Spiral Galaxies Rotate. Elliptical Galaxies do not rotate. Why?
- The sky view when colliding with Andromeda
- Galactic Arm Expansion Rate
- Gravity
- square beans
- naked singularities
- π question
- i never looked through a telescope where can I go to see something cool
- does the sun pass through scorpio every fall?
- man on the moon
- Adding or removing Higgs Boson
- Orbit tampering/adding extra moons to orbits
- Where do I find...
- Do experimental particle physicists know theory?
- Mars rover hearing aid
- Zero point of distance measurements
- How astronomers explain the mechanism of creation of energy?
- The Eagle Head Nebula
- New laws of physics ?
- the moment a star becomes a blackhole
- A Degree in Gravity
- Black Hole Mergers FTL?
- Negative Energy and Absolute Zero
- Phoenix Lander Question
- Supermassive Blackhole location?
- absence of stars.
- Space Travel and TV Reception. . .
- Is Dark Energy Light Energy?
- time and mobement?
- Methane Cycle on Neptune
- light speed centrifuge
- advice on telescopes wanted
- NASA has recorded the starsong.....
- Kepler and Bode
- Do cosmic flashes reveal secrets of the infant universe?
- Why can't we see everything?
- Blackhole
- Do we see an increase in density as we look further out in space?
- Can two galaxies appear to be coming from the same point?
- How do invisible dimension work?
- Would anyone be interested in starting an open source physics book?
- largest known void
- Can I just show up for lectures?
- Dark Matter Puzzle
- Confused about galaxy distances and age of Universe
- question about the "pale blue dot"
- Do microscopic dimensions expand with the expansion of space?
- Interstellar frozen gas giants
- Vector as a tensor.
- what is the quantum physics view of the universe?
- Simple relativity question.
- Celestron StarHopper Dobsonian
- Evaporation rates
- What did I see last night something burn up?
- Black hole dimension
- Floating lunar dust layer photo?
- Age of Chandra detected Supernova G1.9+0.3:
- The universe in a watermelon?
- Newbie question
- Will the moon become a planet?
- Lighted Night Sky?
- Can we X-Ray the Earth
- Improbability.
- Micro Black hole hits nucleus of atom
- Bad news for Endor?
- Relatively Massive?
- where does the lost energy go?
- Supersymmetry
- plancks constant and redshift
- What is a dimension?
- spacetime idea
- Seeing Ultraviolet
- Could any meaningful discoveries happen without being ATM?
- multidimensional rotation
- Details of red shift.
- Space travel and space debris
- How Did Captain Cook Protect His Eyes?
- The need for dark matter in galaxies
- What is the difference between causality and entropy?
- Particle collision debris going into other dimensions?
- Stars with phone-cam?
- Gödel's Ontological Proof
- for Fraser: Age of universe question
- How many earthlike planets are there?
- Finding longitude
- Stars YOUNGER than the Sun
- Supermassive Black Holes and Dark Matter
- I had a dream this morning...
- Why does our solar system have a rotation curve?
- Distance to SN2008D
- Does light travel at the speed of gravity?
- Geometry Question
- fly by
- converting ATVs and Progress crafts
- Any expectation about ... LHC Black Holes
- The Universe is Finite?
- Is Quanta Indivisible?
- Wheels, treads, or legs?
- Pluto
- Too perfect
- Tolerances in construction of physics experiments/buildings.
- "Before" the big bang
- Scorched walls in observatories
- cydonia probe
- Tectonic plates, and alignment to the north
- Stupid Question du Jour: Is all motion relative..?
- Determining the sun's angle
- Why are some images that Phoenix takes in black and white and some in colour?
- Jupiter's Third Red Spot
- Tides and centripetal force - I'm stuck
- Question from George
- Gamma Ray Burst
- Odd question on Phoenix photo from HiRise
- Basic light question
- midnight sun on mars
- Astronauts in stone of the Salamanca cathedral
- What separates photons from other matter?
- Hello and HOW do I do?
- Is the Phoenix Mars Lander a waste of money?
- how do we find the poles of a star?
- What does "uniformly random in log r" mean?
- hypthothetical exobiological evolution questions
- The dusty Universe
- Spontaneous symmetry breaking
- too salty
- Some thoughts...
- Baffled Dad
- What is the best use of NASA money?
- Phoenix Photo Mystery
- Evidence on the Moon?
- Voyager probes
- Light Speed...
- Space Shuttle emissions?
- Why is the universe so stable?
- Chances of planets in Alpha Centauri system?
- what affects do frequencies have on electric circuits
- Do all large Galaxies have SuperMassive Black Holes?
- Lunar Rilles
- curve fitting
- Age of the universe
- An Orbit Question
- Solar Model
- Is this phenomenon possible? Can u pls give reasons to explain.
- The TNOs - where are they now?
- Why doesn’t speed of voyager is more than 486000.
- tensors of force and inertia
- A SETI question
- Could you use lots of, created, microscopic black holes to detect neutrinos?
- Why use LHC when Cosmic Rays are so powerful?
- position of photon's detection evident upon photon emission?
- Is there a lower size limit in nuclear reactors?
- Unification
- wierd triangle star formations in sky moving??? what is it?
- The edge of the universe
- Uh, ...question... (interdimensional collision universe)
- How much would we save if NASA build....
- Could this be a test, to see whether the Universe if a hypersphere?
- Any launches from 6/8 - 6/10?
- Earth/Moon spin orbit resonance
- Monitoring the Earth from the Moon
- Big asteroids question
- Cosmology evolution?
- Why isnt black holes, just black stars?
- Size and how much matter and stars are there in the universe?
- Simple Hologram question
- Another Big Asteroid Question
- Yeah....another BH thread
- Universal Plane of the Ecliptic (lack thereof)
- Why aren't we sending probes to Venus?
- Methods of detection.
- non propellent thrust
- atmospheric density
- General Relativity, 'strong field regime' - what is it?
- spacetime contraction
- Is the ISS accomplishing anything?
- how did inflation exceed speed of light?
- Telescope
- Venus Atmospheric Conditions Question
- Orbiter on-line
- Orbital mineral survey's?
- IF the universe is infinite, how far do you have to travel to meet a copy of yourself
- Solar cars
- How do we know if spacetime is curved or not
- Q about Sky Illumination during Solar Eclipses
- Discovery of Uranus
- Gravity Well Drive...
- Meteor!??
- Star contents
- Suborbital Flights
- The Mass of Energy
- Kennedys Speech
- GRBs and the anthropic principle
- Are there any mainstream findings on the curvature of spacetime?
- Astronomy Career?
- Is there a GoogleEarth program for Solar Eclipses?
- The Big Bang and Beyond... well, before.
- Anyone seeing the August 1 Eclipse?
- hydrogen production
- Is there a community of Solar Eclipse enthusiasts out there?
- oil as blood ?
- wEhat would happen if...
- A few questions about our theories
- Gravity and Gravitation?
- 75% hydrogen
- Exoplanets
- Two questions
- AOL, source of rage
- light drive
- Water on Mars.
- Any known double exoplanets
- What Could Saturn's Lightning Do On Earth?
- Ages of stars
- apollo 13
- What if the Big Bang wasn't the first Big Bang?
- movement of Moon and stars across the sky
- A Question About Directions In A Sphere
- are there young galaxies?
- Curvature of Earth
- Regarding Clinometer Compass
- Meteor Sighting Los Angeles June 21, 2008
- Force field quantum limit?
- Gravity of a Black Hole + other short stories
- ISS Attitude
- How fast are we moving...
- Speed of Light Questions
- Anti-Light?
- Total Energy of the Universe?
- What is the difference between an event horizon and a singularity?
- What matter came out of the Big Bang?
- A Question About The Uncertainty Principle.
- As we move closer to a singularity, locally could we be moving farther away?
- Lightning
- Relativity and space navigation
- Modelling bubbles
- How many photons in a cm^3