- Expansion theory/space-time
- How do we know we evolved from the same organism?
- Question About Electron / Positron Annihilation
- Confused about redshift "z"
- Perseids Meteor shower
- Where are things now!?
- How to calculate day length on a generic planet?
- Input wanted on day length & seasons on a fictional planet.
- Question About Muon Decay
- Distant galaxies and the HST ultra deep field view
- NOT tidally locked moons
- Movement of sun in galaxy
- Sun’s siblings
- Can anyone tell me what I saw last night?
- Are the Lagrange Points worth the trouble?
- Pulsar discovery? is this real?
- Scaling the Sun
- Red Shift
- Micro - black hole question
- Jupiter and sunspots?
- Resurrected Galaxies?
- Asymmetry in BH/galaxy jets? Source of propulsion?
- Seasons on Titan
- SUN!
- matter waves and bosons
- Galaxy type distribution
- Expanding universe over the speed of light?
- Einstein Cross
- Question: Current models for the creation of our Solar System?
- What is the relationship between a theory and model?
- Moon's orbit
- Calculating angular size
- Yet another black hole question.....
- For the astronomers and physicists. [picturing the Antenna Galaxy]
- Heavy ions in CR - highest observed energies?
- Spacecraft equipment
- Special relativity - who's really experiencing time dialation?
- Multiple eclipsing planets
- Using Kepler results to determine Stars true mass.
- How visible are the rings of Jupiter/Uranus/Neptune?
- Why no antiphotons?
- Spinning Universe?
- how the anlysis of a meteorite
- Dust and Blue Light
- Ignorant brit in spain seeks info re fire ball
- Alpha Centauri
- center of gravity for the planet earth/core of the earth
- Star populations by classification
- Which is the closest metal rich star likely to posess an earthlike planet?
- Is the universe being swallowed up by black holes?
- Least metallic gas clouds
- Universe's total energy is 0?
- Planetary migration (speculation, questions)
- Reading by the light of Jupiter
- Hitching to the outer solar system
- ANOTHER weather/seasons topic: inclination to the ecliptic and weather/seasons
- light
- Exoplanetary discoveries, a question...
- 2 Questions about extrasolar planet detection
- Star's brightness and solar insolation
- When is the lunar x visable
- Titan. And Titan-like exoplanets. Supertitans perhaps.
- Playing a game of catch with photons/gravitons.
- Origin of galactic bars?
- flattened earth (relativity)
- Biggest star ( R136a1 )
- venus pentagrams
- Triangluar constellations in the stars.
- EPR "paradox"
- Bolometric correction zero point
- Early Mars: wet, warm, humid & sticky?
- Farthest we've seen into the universe
- Distribution of siderophiles
- Why don't atoms in expanding space radiate energy?
- What comes down.
- What happens to planets/moons when you swap them or change their distance from Sun?
- How should I set the Lunitidal interval on my new watch
- Where To Go For Good View Of The Night Sky near Albuquerque?
- Fine-structure constant Alpha has been changing in both space and time since BB
- Does the universe exist in a container or is the universe it's own container?
- If there is one atom every several cubic miles of space, why can we still see far?
- Is it theoretically possible to descend into the atmosphere slowly enough & not burn?
- Why is it so bright at the center of some galaxies?
- Relativistic Jets
- Artificial Gravity
- Photons - Faster Than Light Components
- Returning to the same point eventually?
- Colliding Black Holes
- Home radio astronomy?
- Large Electrons
- Throwing Stones at Giants
- Question about inner horizon/ singularity in a black hole
- Detecting a Faster-than-Light Entity
- celestial angle puzzle
- Dark matter or gravity
- Earth crossing objects
- Why does a star become a black hole???
- Moon Math
- Mining an asteroid?
- The Local Interstellar Cloud
- QM and Gravity and BHs
- Lasco anomaly
- Planetissimals and the protoplanetary disc
- Journal of Cosmology
- Curve ball
- Orbiting east to west
- Find a database
- Shackleton crater
- What Does Causal Really Mean in CDT (Causal Dynamical Triangulation) Quantum Gravity?
- Does precession impact meteor shower timing and radiant points?
- Pioneer anomaly - the direction of the acceleration
- Young Solar System
- Crater trails on Phobos
- Why does the moon look like a 3D sphere during lunar eclipses
- Phobos orbital period
- Changes in the orbits of planets in our Solar System
- Can a powerful CME cause a comet to fragment?
- Really bright star in southern sky
- Why are assumptions being found to be wrong ? [Mars moons orbits deteriorating]
- Mysterious force holds back Nasa probe in deep space
- What is air friction?
- Why can't a particle at rest radiate?
- Why can't we see Big Bang through Hubble telescope?
- Does Gravity Explain The Way The Way The Universe Is?
- How thick was the lunar atmosphere 4 billion years ago?
- Greater Than C
- Answer To Everything
- How large would the observable universe be
- Density of the Early Universe
- Looking for historical images/photographs of Jupiter
- If we can not determine the center of the universe, then how can we determine ...
- "Flyby anomaly" - papers?
- How can cosmic expansion accelerate?
- What is the dimmest object Hubble can detect (in apparent magnitude)?
- Is abiogenesis mainstream science?
- Why the higher you are, the faster you age?
- Newton Got Beaned By The Apple Good
- Time may be disappearing
- Is the universe 13.7 billion years old?
- earth-sun-moon model question
- Eyepice/Filter Set
- Einstein's Field Equation - tensors
- Question about the quantum ladder
- Can a comet be naked-eye visible for an entire year?
- Universe Expansion
- What can be extrapolated from planets and exoplanets orbiting around their sun?
- Universal Expansion
- Shell Theorem in General relativity
- static propagation :D
- Another 'Idiot' with a question on the Conservation of Energy
- Are Black Holes Bright?
- what caused the propeller nebula aka DWB 111
- Minimum size of sub-brown dwarf
- Is string theory somewhat accepted?
- question about BH singularities and higher dimensions
- The UN Space Ambassador video?
- Concept of the Milky Way as a dynamical system
- Can A Neutron star produce radiation similar to Hawking Radiation?
- The role of SR in a 2d universe
- What happens when virtual pairs are both consumed by the black hole?
- Theoretical (large scale) limit of photon wavelength
- "NASA Shoots the Moon" photo: Really?
- Propulsion; Where are we ?
- Photons from 6th magnitude star
- Universe from Nothing?
- Gravitational Wave properties
- DZ-120-A- The tYme Measurement Thought Experiment
- Extreme Axial Tilt
- Pronunciation Of Astronomical Names
- a star-like pre big bang object
- Hey look! It’s a bird, it’s a plane… no, it’s the unobservable universe.
- Changes in orbital distance
- Time Dilation
- Mach and GR, thought experiments and reality
- Size of the Big Bang singularity?
- Shell Theorem - A Contracting Shell
- Fastest thing in the universe?
- Not The Usuall "Closing At Greater Than c" Question.
- james webb telescope
- Crab Pulsar PLANET?!?
- Into the Universe with Stephen Hawkings
- Seeing Planets With The Naked Eye
- Has any BAUTer measured G?
- Effect of a large moon on the tidal lock of Gliese 581 g
- A primer on exo-planetary science
- Okay, do we, or do we not, have actual hi-rez photographs of Pluto?
- What am I looking at
- Apollo 17 12/11/72 cst 19:30 get 118:36
- Question about stars
- Whatever happened to the KPNO mirror that no one knew what to do with?
- Atmosperic circulation on an exo-earth in 3:2 spin:orbit resonance
- Origin of nickel
- Last night's sky..........
- When will the CMBR be totally absorbed?
- Can energy promote a virtual pair?
- Does time dilation affect perceived mass and strength of gravity?
- Question about Hydrogen Fusion as energy source for story..??
- The Big Bang
- The effects of seeing via cold weather
- Is There Significant Dark Matter in Globular Clusters?
- TeV-energies at LHC - greater than expected due to gravity?
- where is the space expanding
- Acceleration and relativity
- Meteoroid craters on Lunar Module
- Arrangement of hollow and full months
- Active scanning across interstellar distances...
- Solar System diversity
- How soon after the big bang could intelligent life evolve?
- What would Earth be like if all the polar ice melted into the oceans?
- What causes captured rotation?
- Acceleration, Relativity and Distance
- square root of variables
- How is the product GM for the sun accurately determined?
- Gentleman how accurate is this simulator?
- Young but infinite
- Question about Relativistic Loopholes for Simulated Gravity or: What's Dr. G Sayin?
- Understanding the Relativistic Effect
- How would the Earth's rotation be affected if the Moon shattered?
- Luminosity-Period Relation for Population II Cepheids
- cosmological time dilation
- Moving stars!!
- Azimuthal Stereographic Projection Question
- What is the definition of an event?
- From a distance is there a way to tell if a black hole had really formed?
- silly question? time slows down near a black hole...
- How can there be "embryonic" level 1 multiverses?
- Mapping Miranda with the European Extremely Large Telescope
- Mapping exoplanet magnetic fields from the Solar System
- Colliding galaxies
- Question about light / dark cycles at the south pole of the moon
- Question about stars and galaxies all in the same photo?
- Earth formerly known as...?
- Fate of gas in elliptical and lenticular galaxies?
- Luminosity and apparent magnitude calculations
- Question about distance galactic density
- "Edgy" Question: What is reality?
- Time Travel Question
- Venus surface
- How big or how close does an Asteroid need to be?
- Daedalus probe in Solar System
- universe
- Big Bang + Inflation
- The begining
- Does WMAP support a "big crunch" or a "big freeze"?
- Weighing The Universe
- Universe Expansion
- Quick question about UDFy-38135539
- Universe Configuration
- Ilusion
- How massive does a body have to be to become spherical?