- Artist impressions of planets in our solarsystem
- Moon's Orbit
- Would A Starship's Approach Be Visible?
- how many planets are there where water vapers exists?
- Speed of Gravity- and what we can do with that!
- Rate of the sunlight on pluto
- DARk Matter
- Multicoloured Stars
- Mirrors and Reflections
- Walking on mars with or without spacesuit
- The universe has no shape?
- Why do all planets orbit in the same direction?
- CMB Alternative
- Coloured clouds
- Fine-tuning problem (the one nobody talks about!)
- universal expansion, how come galaxies collide?
- Favorite Meteor Shower
- Why cant we see the center of Milky way?
- Nighttime darkness on venus
- Where did the energy from Big Bang come from?
- Information and Big Bang!
- Red shift and energy loss
- Energy and information
- which metal can go very close to sun
- Most moonlike object in solarsystem
- Radiation exposure in full sun on the moon
- Do Rocks Have DNA?
- Biggest (moon) in our solarsystem
- Probability of other intelligent life in the universe
- Oortcloud
- Quick question about distance and time.
- Black Hole's Gravity?
- mars ice caps can melt and again forms ?
- Moons and more moons
- Mira Variables
- beyond gamma rays?
- Trojan Planets
- How fast do supernova neutrinos travel?
- No moons for mercury and venus
- earth like planet on opposite side of sun?
- Most distant asteroid,comet,planetlike object
- Asteroid Apophis
- Do gluons have rest mass?
- Quantification
- galactic center
- galactic center
- Effects of Cosmic Rays
- Hawking Radiation
- GR Question: Time Elapsed
- Brightness of planets as seen from other planets
- Solar system like planetsystem
- bye bye moon?
- Nemesis - current status?
- Gravity/Speed of light Question
- Planck time refresh rate
- curious question
- Is visible light frequency "special"?
- Lightning on venus
- Is Ceres more massive than the rest of the asteroid belt combined?
- is sun's shape Hexagone ?
- Orion star Rigel
- Static Electricity,within the Atom.
- The expanding universe
- A simple question......
- Magnetism genereated by rotating conductor
- Orbit of earth and mars
- Is there such a thing as "before" the Big Bang?
- Where did Big Bang happen?
- Why the odd time for the New Year
- Size of the universe...
- Loop Quantum Gravity
- Cosmic Dust
- Mars rover location
- big bang wrong?
- Cosmological redshift explanation?
- Speed of Light from Distant Sources
- Apollo Mission Videos and Audio
- Which stars (besides Betelgeuse) have been resolved as a disk?
- Good Simple Relativity Web Site?
- About Supernovae
- That's one small step for man...
- Universe is horizontally long or vertically long?
- Largest Prime
- Super-Resolution
- Nautical almanac
- Unseen companions - techniques and results
- Milky Way -- Abyss-like Downward Spiral?
- the concept of temperature
- To Mars in three days??
- The 'speed' of heat
- What have we learnt from moon exploration?
- Speed of light- why?
- Blue Shift
- Sun is a mother of Earth?
- A question about central forces
- Day-To-Day Effects of Relativity?
- Barnards star
- Sunlight on mars
- Light and gravity
- Dates of Perihelion and Aphelion
- Orbit of earth
- Clouds over sun
- The original Hubble Expansion
- What means the HD of the starnumbers?
- Gravitational Waves and sightlines.
- Locations of objects?
- Will James Webb Space Telescope return HST-like pictures?
- Lense Thirring - Mass of the Universe
- Jupiter + Skydiving: what would happen?
- Question About the abbreviation "BA" when describing an oval white spot.
- If Mars Surveyor can see Beagle 2, why cant NASA document Apollo artifacts?
- Meteor Color Question
- Ceres
- Castor and its doubles
- toxic environment of mars, how it can remove?
- A photon
- Black hole death
- Quantum uncertainty
- The sun-- looking for experts
- Wigner symbols?
- On the blue sky...
- Source free solutions of GR
- How is the speed of light measured?
- What is the oldest active space probe?
- Under alien skies
- in sun, only cathode charged particles exists?
- Solar Sails
- chemical hand warmers
- Einstein's Cosmological Constant
- Are there Black Holes in the middle of every Galaxy?
- Where is comet Halley?
- False Dawns/Zodiacal Light
- Howling at the moon
- Possibility of solarsystem around HD 711
- Rotating Universe
- What would a neutron star look like?
- Not Quite Sure...
- The exact size of blackhole?
- Copenhagen and conservation of energy
- Simple questions on binary stars
- Star moved thru Oort Cloud
- if sun splits in two parts
- Ringworlds and Class M Stars
- Oort cloud distance and Voyagers
- Helium cloud
- Stardust and Genesis
- big bang?
- Density of a Nebula??
- Refueling an Atlas Rocket
- Above the plane of our solarsystem
- New Horizons & the big fairing
- Simple question about linguistic
- What happens to photons?
- Can they see us?
- Relativistic Effects of Man-Made Probes
- Brightness of starrysky on (earthfree) darkside of the moon
- what is the meaning of chasma?
- How do I save or download the Hubble pics ?
- Brightness of Sirius A
- Galactic tsunamis?
- moon is also a victim of falling meteors?
- Star Megrez kaffa
- We know where the craters are!
- Difference Mercury and Moon
- Star birth
- Black hole w/ center of galaxies lit brightly? huh?
- Gravity on the small scale
- Fate of the Universe
- sun is surrounded with a vaccum or..
- Titius Bode
- Visual colour of supernova
- Where (precisely) is the Northern Coalsack?
- Time Dilation?
- Closest exoplanet?
- A layman's question about time and light
- How did the Big Bang go bang?
- Seeing stars as suns
- Heating of a gas by radiation
- Timing of Jupiter's moons
- Perspective from a small body
- The inflation phase as per Allen Guth
- Expansion since the Big Bang
- 19th, early 20 century planetary mnemonics?
- Does a beam of light alter spacetime?
- How much life span require to explore our solar system?
- two Antarctica questions
- Orbit of asteroid Golevka
- Why is the universe still mostly hydrogen?
- is energy generation possible on moon?
- Barred Spiral Galaxies?
- The new revolution of computer hardware?
- English Astronomy Books/Mag's in belgium?
- How long our voice remains in the universe
- Spirit's Discovery
- Question about the finite speed of gravity
- Is Polaris a small or large star?
- Lunar Laser Reflectors
- Length of solar flairs
- Matter can not be created or destroyed?
- why are stars fixed in the sky?
- Question on Laser reflectors on Mars
- How the planets got different colors
- Sunheight during apollo moonlandings
- A brown dwarf heading towards us?
- Landing on mercury on its equator at its perihelion
- What kind of star is Mira Ceti?
- Does anything orbit the Sun clockwise?
- Visible magnitude of sun as seen from mars and other planets
- tenth planet?
- precession
- Length of dusk
- Pulsars and comet like tails
- Were "super massive" black holes ever stars?
- Cepheid Variables?
- Why Dark Matter, not Dark Force?
- Mapping the universe?
- OK thats not right
- The UFO videos" are they real one?
- Has Mercury a darker surface than the moon?
- Big Question
- What kind of propulsion systems do satellites use?
- Death of a Star
- SORRY, but i still dont get it
- The conductivity of interplanetary space
- Why is our galaxy eliptical?
- Speed of light
- what is called strong force?
- Relativity: Antenna pointing
- Magnitudes for Oort and Kuiper Belt objects
- Are the Voyager and pioneer spacecrafts in (near) darkness now?
- Pulsars and 'comet like' tails from some
- Anyone know a good link to an intro to astronomy/science?
- General Relativity (and Einstein) - needs an ether? or not?
- Space salvage
- Can Chandra or Integral be used to find exoplanets ?
- Return journey from moon to earth.
- Effects of Asteroid or comet collisons
- Electromagnatism
- Lighting a match in outer space.
- Alexander Mayer & an alternative to the Big Bang
- Dark Matter
- If Alpha Centauri went supernova
- Do the universe spin or not?
- The hottest Sun ever discovered ?
- gravitational lensing and the speed of light
- Most massive,luminous,largest stars within 600 lightyear
- the expansion of the Universe is because of space its self.
- Tidal locking ?
- whether speed of light affects passing through black hole
- just a questoin