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  1. Artist impressions of planets in our solarsystem
  2. Moon's Orbit
  3. Would A Starship's Approach Be Visible?
  4. how many planets are there where water vapers exists?
  5. Speed of Gravity- and what we can do with that!
  6. Rate of the sunlight on pluto
  7. DARk Matter
  8. Multicoloured Stars
  9. Mirrors and Reflections
  10. Walking on mars with or without spacesuit
  11. The universe has no shape?
  12. Why do all planets orbit in the same direction?
  13. CMB Alternative
  14. Coloured clouds
  15. Fine-tuning problem (the one nobody talks about!)
  16. universal expansion, how come galaxies collide?
  17. Favorite Meteor Shower
  18. Why cant we see the center of Milky way?
  19. Nighttime darkness on venus
  20. Where did the energy from Big Bang come from?
  21. Information and Big Bang!
  22. Red shift and energy loss
  23. Energy and information
  24. which metal can go very close to sun
  25. Most moonlike object in solarsystem
  26. Radiation exposure in full sun on the moon
  27. Do Rocks Have DNA?
  28. Biggest (moon) in our solarsystem
  29. Oortcloud
  30. Quick question about distance and time.
  31. Black Hole's Gravity?
  32. mars ice caps can melt and again forms ?
  33. Moons and more moons
  34. Mira Variables
  35. beyond gamma rays?
  36. Trojan Planets
  37. How fast do supernova neutrinos travel?
  38. No moons for mercury and venus
  39. earth like planet on opposite side of sun?
  40. Most distant asteroid,comet,planetlike object
  41. Asteroid Apophis
  42. Do gluons have rest mass?
  43. Quantification
  44. galactic center
  45. galactic center
  46. Effects of Cosmic Rays
  47. Hawking Radiation
  48. GR Question: Time Elapsed
  49. Brightness of planets as seen from other planets
  50. Solar system like planetsystem
  51. bye bye moon?
  52. Nemesis - current status?
  53. Gravity/Speed of light Question
  54. Planck time refresh rate
  55. curious question
  56. Is visible light frequency "special"?
  57. Lightning on venus
  58. Is Ceres more massive than the rest of the asteroid belt combined?
  59. is sun's shape Hexagone ?
  60. Orion star Rigel
  61. Static Electricity,within the Atom.
  62. The expanding universe
  63. A simple question......
  64. Magnetism genereated by rotating conductor
  65. Orbit of earth and mars
  66. Is there such a thing as "before" the Big Bang?
  67. Where did Big Bang happen?
  68. Why the odd time for the New Year
  69. Size of the universe...
  70. Loop Quantum Gravity
  71. Cosmic Dust
  72. Mars rover location
  73. big bang wrong?
  74. Cosmological redshift explanation?
  75. Speed of Light from Distant Sources
  76. Apollo Mission Videos and Audio
  77. Which stars (besides Betelgeuse) have been resolved as a disk?
  78. Good Simple Relativity Web Site?
  79. About Supernovae
  80. That's one small step for man...
  81. Universe is horizontally long or vertically long?
  82. Largest Prime
  83. Super-Resolution
  84. Nautical almanac
  85. Unseen companions - techniques and results
  86. Milky Way -- Abyss-like Downward Spiral?
  87. the concept of temperature
  88. To Mars in three days??
  89. The 'speed' of heat
  90. What have we learnt from moon exploration?
  91. Speed of light- why?
  92. Blue Shift
  93. Sun is a mother of Earth?
  94. A question about central forces
  95. Day-To-Day Effects of Relativity?
  96. Barnards star
  97. Sunlight on mars
  98. Light and gravity
  99. Dates of Perihelion and Aphelion
  100. Orbit of earth
  101. Clouds over sun
  102. The original Hubble Expansion
  103. What means the HD of the starnumbers?
  104. Gravitational Waves and sightlines.
  105. Locations of objects?
  106. Will James Webb Space Telescope return HST-like pictures?
  107. Lense Thirring - Mass of the Universe
  108. Jupiter + Skydiving: what would happen?
  109. Question About the abbreviation "BA" when describing an oval white spot.
  110. If Mars Surveyor can see Beagle 2, why cant NASA document Apollo artifacts?
  111. Meteor Color Question
  112. Ceres
  113. Castor and its doubles
  114. toxic environment of mars, how it can remove?
  115. A photon
  116. Black hole death
  117. Quantum uncertainty
  118. The sun-- looking for experts
  119. Wigner symbols?
  120. On the blue sky...
  121. Source free solutions of GR
  122. How is the speed of light measured?
  123. What is the oldest active space probe?
  124. Under alien skies
  125. in sun, only cathode charged particles exists?
  126. Solar Sails
  127. chemical hand warmers
  128. Einstein's Cosmological Constant
  129. Are there Black Holes in the middle of every Galaxy?
  130. Where is comet Halley?
  131. False Dawns/Zodiacal Light
  132. Howling at the moon
  133. Possibility of solarsystem around HD 711
  134. Rotating Universe
  135. What would a neutron star look like?
  136. Not Quite Sure...
  137. The exact size of blackhole?
  138. Copenhagen and conservation of energy
  139. Simple questions on binary stars
  140. Star moved thru Oort Cloud
  141. if sun splits in two parts
  142. Ringworlds and Class M Stars
  143. Oort cloud distance and Voyagers
  144. Helium cloud
  145. Stardust and Genesis
  146. big bang?
  147. Density of a Nebula??
  148. Refueling an Atlas Rocket
  149. Above the plane of our solarsystem
  150. New Horizons & the big fairing
  151. Simple question about linguistic
  152. What happens to photons?
  153. Can they see us?
  154. Relativistic Effects of Man-Made Probes
  155. Brightness of starrysky on (earthfree) darkside of the moon
  156. what is the meaning of chasma?
  157. How do I save or download the Hubble pics ?
  158. Brightness of Sirius A
  159. Galactic tsunamis?
  160. moon is also a victim of falling meteors?
  161. Star Megrez kaffa
  162. We know where the craters are!
  163. Difference Mercury and Moon
  164. Star birth
  165. Black hole w/ center of galaxies lit brightly? huh?
  166. Gravity on the small scale
  167. Fate of the Universe
  168. sun is surrounded with a vaccum or..
  169. Titius Bode
  170. Visual colour of supernova
  171. Where (precisely) is the Northern Coalsack?
  172. Time Dilation?
  173. Closest exoplanet?
  174. A layman's question about time and light
  175. How did the Big Bang go bang?
  176. Seeing stars as suns
  177. Heating of a gas by radiation
  178. Timing of Jupiter's moons
  179. Perspective from a small body
  180. The inflation phase as per Allen Guth
  181. Expansion since the Big Bang
  182. 19th, early 20 century planetary mnemonics?
  183. Does a beam of light alter spacetime?
  184. How much life span require to explore our solar system?
  185. two Antarctica questions
  186. Orbit of asteroid Golevka
  187. Why is the universe still mostly hydrogen?
  188. is energy generation possible on moon?
  189. Barred Spiral Galaxies?
  190. The new revolution of computer hardware?
  191. English Astronomy Books/Mag's in belgium?
  192. How long our voice remains in the universe
  193. Spirit's Discovery
  194. Question about the finite speed of gravity
  195. Is Polaris a small or large star?
  196. Lunar Laser Reflectors
  197. Length of solar flairs
  198. Matter can not be created or destroyed?
  199. why are stars fixed in the sky?
  200. Question on Laser reflectors on Mars
  201. How the planets got different colors
  202. Sunheight during apollo moonlandings
  203. A brown dwarf heading towards us?
  204. Landing on mercury on its equator at its perihelion
  205. What kind of star is Mira Ceti?
  206. Does anything orbit the Sun clockwise?
  207. Visible magnitude of sun as seen from mars and other planets
  208. tenth planet?
  209. precession
  210. Length of dusk
  211. Pulsars and comet like tails
  212. Were "super massive" black holes ever stars?
  213. Cepheid Variables?
  214. Why Dark Matter, not Dark Force?
  215. Mapping the universe?
  216. OK thats not right
  217. The UFO videos" are they real one?
  218. Has Mercury a darker surface than the moon?
  219. Big Question
  220. What kind of propulsion systems do satellites use?
  221. Death of a Star
  222. SORRY, but i still dont get it
  223. The conductivity of interplanetary space
  224. Why is our galaxy eliptical?
  225. Speed of light
  226. what is called strong force?
  227. Relativity: Antenna pointing
  228. Magnitudes for Oort and Kuiper Belt objects
  229. Are the Voyager and pioneer spacecrafts in (near) darkness now?
  230. Pulsars and 'comet like' tails from some
  231. Anyone know a good link to an intro to astronomy/science?
  232. General Relativity (and Einstein) - needs an ether? or not?
  233. Space salvage
  234. Can Chandra or Integral be used to find exoplanets ?
  235. Return journey from moon to earth.
  236. Effects of Asteroid or comet collisons
  237. Electromagnatism
  238. Lighting a match in outer space.
  239. Alexander Mayer & an alternative to the Big Bang
  240. Dark Matter
  241. If Alpha Centauri went supernova
  242. Do the universe spin or not?
  243. The hottest Sun ever discovered ?
  244. gravitational lensing and the speed of light
  245. Most massive,luminous,largest stars within 600 lightyear
  246. the expansion of the Universe is because of space its self.
  247. Tidal locking ?
  248. whether speed of light affects passing through black hole
  249. just a questoin
  250. Can material actually reach the event horizon?