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  1. The Relativity of Simultaneity
  2. Light Travel
  3. cyronics and the future of space travel?
  4. 18 Scorpii and a companion?
  5. What size planet...
  6. Rare Earth / Goldilocks = f(pristine accretion disk) ??
  7. Can T alone cause this..?
  8. Is the universe it?
  9. Kepler mass???
  10. What does theory have to say about slowly moving massive particles?
  11. Fate of our Local Supercluster
  12. If you looked at the cat's eye nebula...
  13. New Poster - Milky Way Question
  14. Light is weird!?
  15. When and how did the first discoverers know?
  16. Question about the age of the universe
  17. List of star count by magnitude
  18. Space station questions
  19. single particle slit experiment
  20. Particle frame of reference through a medium
  21. shadow of a black hole
  22. Planetary Systems off axis
  23. Reversal
  24. Rate of universe expansion
  25. Universe's Energy
  26. For what observer is the Schwarzschild radius calculated for?
  27. Question about video from Apollo 16 or 17
  28. Very basic ISS questions
  29. Will probe's upcoming fly-by unlock exotic physics?
  30. Relativistic gas mileage
  31. Do gravitons exist?
  32. Does t1me dilation cause magnification due to uncertainty principal?
  33. The 2012 alignment (scientifically speaking)
  34. Unlocking Venus...A Question...
  35. beyond the visible universe
  36. If you could po-int a laser close to the Sun, would you see its path curve?
  37. Is the speed of light really a constant?
  38. Can Dark Matter go Faster than Light?
  39. Two questions from a non astrophysicist :)
  40. Mirror Matter/Dark Matter?
  41. About the Apollo 11 landing site
  42. Effect on gravity by the planets..
  43. Does the diameter of an EH expand when an observer approaches it?
  44. Is Gravity A Force?
  45. The Big Bang theory
  46. What is the average density of a cubic light year of "empty space"?
  47. Could technology disprove the BB?
  48. Luminosity question out of the blue sky
  49. Solar System Question
  50. Are there any satellites that have a brilliant red and blue light?
  51. Hydrogen Lakes on Jupiter
  52. Have we found most of the big ice dwarfs already?
  53. Help for new guy!
  54. How would we see two suns?
  55. practical speed limits of liquid and ion fuel engines
  56. What is the apparent brightness of Betelguese?
  57. Putting a big net on the ISS and flying into it
  58. Strange wavelength paradox?
  59. How does the Hubble point towards its selected object?
  60. curvature of spacetime.
  61. Water on Venus?
  62. Terra forming Mars with Hydrogen Bombs?
  63. peak wavelength of CMB
  64. Planet Rotation
  65. largest satellites
  66. NEO observation programs
  67. Galaxy Formation
  68. Satellite limits
  69. Is something going on with Sirius?
  70. how does our sun work
  71. Comparing the relationship between the volume & surface area of a sphere
  72. What is the fate of matter?
  73. venus with an atmosphere like earths
  74. Moving planets around. (Gravity)
  75. Suns apparent size- my maths are wrong
  76. The Gemini Programme
  77. On board the ISS.
  78. Carbon Isotopes and Fossil Life Forms
  79. Antigravity and the Big bang
  80. Confused about inertia
  81. Hypothetical: Space Station Orbiting Gas Giant
  82. Is it too early to call our Solar System a freak?
  83. 'artists impressions' of stars
  84. Is the expansion of the universe speeding up?
  85. light polarization experiment
  86. Gravitational Symmetry
  87. What is anti-gravity?
  88. What Do We Want From Other Planets?
  89. Glass in a vacuum
  90. "crust" of the universe
  91. Deuterium Photodisintegration in the Sun
  92. 'Teleportation' of a one meter sphere of material from the sun
  93. Flyby Anomaly
  94. A Moon swing?
  95. Question about episode 11
  96. Expansion of the astronomical unit
  97. Rotation and Minkowski diagrams.
  98. Is LET exactly the same as SR with the exception of an Aether?
  99. difficult task...
  100. Quantum decoherence
  101. Moon Travel
  102. ESA's Herschel Discovery
  103. Question about Ceres
  104. Two questions about the moon
  105. stupid questions about relativity i just have to ask...
  106. explanation about viewing meteor showers
  107. Solar Wind analog of luminosity
  108. Speed of Gravity
  109. Photon orbits
  110. Good documentaries/television shows...
  111. less than escape velocity
  112. If a space elevator crashes
  113. Center of the Universe
  114. If Mira were as close as Alpha Centauri then ..?
  115. Axion/DM Starship?
  116. angels = aliens?!
  117. Planet of Water
  118. Speed of Gravity (mass to mass communication)
  119. Can there be particles made with negative energy?
  120. Stretchy Universe
  121. Creation of virtual particles in a relativistic gradient.
  122. Black Dwarf
  123. Speed of light
  124. How long will it take for Earths core to cool?
  125. Why is there a CMB?
  126. Redshifts greater than C
  127. No comets with moon(s)?
  128. New Discovery - Blue Fuzzy Galaxies
  129. How was the speed of light determined?
  130. How big was the Sun when it first ignited?
  131. Astronomy books for young children
  132. Astronomic events and its impacts on viruses
  133. Extreme Red Shift...
  134. What is Cosmic Dust?
  135. Question about discovery of Neptune
  136. What if gravitational waves are never detected?
  137. M87 supermassive black hole
  138. Vacuume energy???
  139. Nuking the Sun?
  140. a law questioned
  141. Type III Civilizations
  142. Planets - what can we expect in next decade?
  143. help explain the distribution of narrow band emission in nebulae?
  144. How does relativity affect a rotating pulsar?
  145. strange things happening in the sky
  146. Fluidic properties of Neutron stars and Pulsars.
  147. How does the moving train line up with the embankment?
  148. Ice giants have weird magnetic fields?
  149. Magnetic Monopoles and Maxwell's Equations
  150. Relativistic red shift
  151. That Star Wars sunset
  152. What would an impact formed Gas Giant moon be like?
  153. Radio Astronomy Question.
  154. Supersonic winds on hot jupiters
  155. How do I calculate the resolution of a telescope?
  156. Late heavy bombardment and earth's spin wobble
  157. What if the universe is smaller then the observable universe
  158. [SF] Habitability/planets near an O V star?
  159. fundamentals of magnetism
  160. Energy to Matter
  161. Gas Giant Colors
  162. Setting fire to Gas Giants
  163. If the universe is infinite how can it be expanding?
  164. Perturbations on stars in a galaxy Vs. host stars planets.
  165. Why sunsets get latter before solstice
  166. Size of Black Holes...
  167. Radiation Dangers of Space
  168. Big Bang & Crunch
  169. orientation of the magetic fields of Earth & sun
  170. Extremely Long Baseline Interferometry?
  171. FTL Math
  172. Upper limit to photon mass?
  173. Infra-red Astronomy of Asteroids
  174. Poll : Will WISE discover a star or brown dwarf nearer than Proxima Centauri?
  175. Quick LM question
  176. WISE mission question
  177. Shoemaker-Levy 9
  178. Joined atmosphere
  179. Colours of pictures
  180. Doppler effect on single photon
  181. Significant Digits/Figures in Calculations
  182. Speed of light varies with wavelength?
  183. Where in Milkyway ?
  184. Is Negative Energy Mathmatically possible?
  185. Hubble 2 telescope
  186. Observation shadow of the Milkyway
  187. Optical doppler on Earth
  188. Is it ever to late to become a professional astronomer
  189. Day/Night Cycle on a moon
  190. How much garden is always in shadow?
  191. A tunnel through the earth.....
  192. hollow earth
  193. There is no escape?
  194. Redshift Question
  195. Orbital plane constancy.
  196. How big would a telescope orbiting or ground based have to be to resolve continents
  197. Physics Resources Online
  198. Hubble's Deep View
  199. Closest Type O star?
  200. Big spherical primary mirrors
  201. Relativity and nonlocal hidden variables
  202. Infra Red Observatories
  203. Does deflected light redshift?
  204. Direction that the photon is released
  205. Drift of Solstice
  206. Some questions re: Open clusters
  207. Questions on Big Bang, Age, Distance?
  208. Big Bang questions
  209. Is gravity curved space?
  210. Dione trench
  211. Planets around multiple stars?
  212. Can negative mass exist?
  213. Career in astrophysics
  214. Digital Camera attachment for Binoculars?
  215. How to set up the two slit experiment
  216. Minimum gas giant size
  217. How dangerous is UV irradiation for life on extrasolar planets ?
  218. Could coronal mass ejections be used to study the heliopause?
  219. Dwarf planet, gas giant or star?
  220. How rare is a blue moon eclipse?
  221. Crescent Moon Delimiter Angle
  222. Rapidly rotatiing planets - extreme cases
  223. Photographic artifact or something else?
  224. Why is Mercury grey and Mars red?
  225. 99942 Apophis
  226. How Far From Minneapolis?
  227. What would the Milky Way look like from the LMC/SMC?
  228. The edge of the universe
  229. Quantum Mechanics, SETI -- Weird Question
  230. Voyager 1 contact calculations
  231. Dark Flow, is this a valid theory?
  232. Is Enceladus a comet?
  233. Possible to survive ?
  234. How works space expansion ?
  235. Another question about our expanding universe.
  236. Online Scince Fiction writing
  237. Questions about the Universe..
  238. Can anyone corroborate
  239. Black Holes don't evaporate?
  240. Geomagnetic reversal
  241. Artifacts in ground based asteroid animations
  242. How can a singularity be infinite?
  243. black hole question
  244. Why is everything star sized?
  245. Some kind of twin paradox (with muons)
  246. Determining a black hole's charge
  247. m-o-o-n that spells moon
  248. Why is the cosmological constant a constant?
  249. the Universe is flat ?
  250. Light Horizons, the visible Universe, and the CMB.