- Well through Earth´s axis
- 1202 alarm during Apollo 11 powered descent
- Stellar encounters
- Particle Spin Measurement Question
- Are Quarks made of energy?
- What is the Universe?
- If the sun shut off
- Longest period double star
- Can The Stars Tell Me Where I Am?
- What Constellation Was The Sun In, On...
- Shapiro delay-how is the distance to Mercury calculated for this experiment?
- Spacetime expansion
- Speed of light vs mass limit?
- Need Help With "Information"
- A hypothetical moons orbit.
- I need clarification of expansion
- Another question (range of gravity)
- Different star masses
- Mosquito Survives In Outer Space ?
- [worldbuilding] Greenhouse effect calculation?
- Mach's principle/GR thought experiment
- The End - Big Freeze, Crunch or Rip?
- Question about the result of exponential cosmic expansion
- Some physics questions I cannot wrap my mind around...
- Light captured by a black hole
- Strange shapes on planetary bodies.
- CMBR and quantum foam
- Looks and fate of a brown subdwarf
- Neptune and Triton; eventual ring system or collision?
- Dark Energy and Higgs Field...
- Naked Singularities
- Center of a blackhole: where is it?!?
- Meteoroid modeling questions
- My LHC pet peeve question
- Basic question on gravitation.
- How do I get more information on an area?
- Particle Accelerator Radiation
- Colonising Moon/Mars
- Travelling within the solar system under acceleration
- Massive Universe Theory (& Little Bangs)
- Grand Unification Theories
- What affect does a satellite in retrograde orbit have on tides?
- "...recession of galaxies at superluminal speeds have been detected..."
- Titan Shadow Transits on Saturn in 2009
- Solar eclipse seen from the moon
- More matter as a matter of fact
- Near Miss
- light in the universe
- [worldbuilding] Tidal Sand Sea?
- Skeptical or confused in relation to Expansion.
- A good observational astronomer - how to decide?
- Why do black holes merge ?
- If light could go all the way round a hypersphere, what would it be like?
- where is stuff?
- Crossword Q: next brightest star in Virgo
- Energy of space and the expansion of the universe
- How much damage could last Saturdays asteroid inflict on us.
- Why Panspermia?
- Sun On My Face
- max size for Rocky Planets
- How to detect the curvature of the universe?
- Immunity to relatavistic effects?
- Gravity/ Black Holes/ Wormholes
- Spooky action & FTL communication
- Jupiter rotation
- Saturnian Satellite System
- Solar System Construction Questions...
- Dark Matter vs Alternatives
- green shooting star?
- Lunar science...
- Question about Inflation
- Zenoseismology
- Mutual tidal lock stability
- Unidentified object from sky destroys car in Cottonwood
- What is this? (mars lander)
- Absolute brightness of celestial objects?
- Solstice
- Maximum magnitude safe to see
- Direction of Expansion
- Can black holes ever collide if they are infinitely small?
- Question on our solar system...
- Gravity's contribution to meteorite impact speeds (Earth.. Moon?)
- Appearance of supernova burst
- Why did Supernova 1987A have 3 neutrino bursts?
- The nearest quasar
- Why Does Lightspeed = C?
- Does energy just 'disappear'?
- Could the moon be broken ?
- When sidereal
- A non-tidally locked Moon
- Free libration of Moon
- What stops the shuttle toppling over on the pad?
- Listing all space missions
- Keid orbit?
- Can light go in to orbit?
- Galileo and parallax
- Is spaghettification really possible?
- Virtual Particles
- So, Why Don't Kepler's Laws Apply to Stellar Motion around Galactic Centers?
- Orbit of the Sun
- Galactic Images
- I can't identify the object.
- To see stars during the day...
- Can someone explain this to me?
- Magnetic Field As One Approaches Lightspeed
- Free falling into a black hole
- Gravitational strength at the event horizon(yes, it's a black hole question)
- VR Black Hole Simulator
- Technically Speaking, Does the Moon Rotate?
- Question about Hawkings Radiation
- Venus in the AM and PM
- Expansion of Space?
- Hanny's Voorwerp
- crossing the event horizon
- Regarding Ocean Floor Detail in Google Earth
- Branes and Bulk
- Neutrino-matter interaction question
- The Balloon metaphor
- General Relativity as a Gauge Theory
- Electric producing treadmills
- Is the perception of superluminal travel possible?
- Is there a limit to how small an object can be
- the colour of photons
- acceleration due to dark energy
- What did I see?
- Dark Energy/Dark Matter differentiation?
- How is this explain?
- What happens to dead solar systems?
- Super cluster
- Lights Out
- As usual - can't do the maths
- Interpretation of disk stars plot
- Sun and Earth movemernt
- Stevie Wonder and science.
- what galax they are beloning to?
- How well is Mercury's orbit defined?
- Nebula Question
- how come SUN looks smaller than it's
- Does a black hole actually create more space?
- Appearance of a brown dwarf at 50K AU?
- The End of the universe or Lights Out-2
- Viscosity of Phobian rings
- Do Saturn ring crossings mark nodes in its orbit?
- Photons & the Speed of Light
- Neon atmosphere
- Where is Jupiter Now
- Expansion of Space
- Antimatter meteor: how far would it get?
- Help needed to understand curious correlation
- stellar cartography
- Calling meteorite hunters!
- Photon/electron enigma
- What up with prolonged solar inactivity ??
- List Hot Astronomers
- FTL electronic shell game
- Meteorite Bounce (or was it a meteor-wrong?)
- Can Someone Explain This Close-up Of The Sun?
- Astro-History: Who was the first . . .
- Asteroid spotting, Ephemeris and other question
- Dark matter ?
- Is it loud on the sun?
- Erm just a quicky [space wrapping back on self]
- Number of stars in Milky Way (Reprise)
- Imaging the Apollo landing sites from earth
- Question about stars for astronomy cast.
- Size of accretion disks around supermassive black holes
- Radio Waves
- Rhawn Joseph??
- Does speaking mean a loss of mass?
- Questions regarding supernovae
- Has a planetary nebula ever been imaged...
- Couple of novice questions [early photons, Galaxy appearance]
- Is there a statistician in the house?
- How long does it take? or what happens after the first 3 minutes?
- What if the impact that created our moon....
- Big Bang Theory versus Speed of Light theory
- Suborbital space flights
- Rate of aging on faster planets
- Perception of another dimension for Dummies
- New here & have some questions
- Size Matters
- So the Earth is Slowing Down....
- Organization of Planets
- The Casimir effect and gravity
- Dust & gas
- Can companion stars have their own planets?
- Habitable zone
- Moon-Related Question
- Hypothetical Ocean on Gas Giant Moon
- Astronomy Shadow Stick Coursework
- Strange Optical Illusion...
- Venus: Future Hot Mars?
- What is the speed of the Earth's rotation?
- how are solar nebula formed?
- Big Bang questions
- Sunny side of it
- Young massive stars
- As I Grow
- Fission and Fusion?
- IS this right? [black hole slowing light]
- [World-building] Panthalassic atmosphere?
- micro-gravity question
- Question abou the CBR
- Is it possible to engineer anything useful with black holes in our universe?
- Is there a way for humans to prevent our Sun from becoming a red giant?
- A light green hue around moon
- ISS spectacular.
- Next Solar Maximum
- Large Binocular Telescope progress?
- Earth sized moons oribiting Jovian sized planets
- Modeling the Uniform Expansion of the Universe
- In A Spin
- Whats happening in stars fission fusion
- Using Stellar Mass to Determine Planet Mass
- Is the Universe vibrating?
- Maximum comet size
- Collisions of Galactic Clusters
- Big Bang Location
- Cosmological Principle and GR
- Where's the colour?
- Orbital re-entry questions
- Time and the "size" of space
- Dropping balls from a space elevator
- Is that a "Star" in the helmet glass
- Venus occultation
- SETI and alien communications
- Solar minumim...
- Hammers, Balls and Feathers
- Bad navigation, bad sundial
- The distance between planets and the universe's expansion
- New Southern Constellations
- Is this possible (solar flare)
- Question: Shuttle and thrust at launch
- The Suns plasma patterns are fractal?
- Dark Energy and Dark Matter
- Time at edge of expansion of Universe
- Local Stars Orientation
- Mass of Dark Matter and Particle Detection
- Gravitational force of moving object question
- A crazy question [Glass-marble planet possible?]
- Neutrinos in the early universe
- Neutrino Mass and Dark Energy
- Minimum peculiar motion
- A Survey of A Brief History of T1me
- Space Debris
- Determining the Scale of the Solar System
- sub millimeter question
- Extrasolar Dust Disks and Oort Clouds?
- History of astronomy question (circa 1947)
- The Space Shuttle