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  1. Particle Spin Measurement Question
  2. Are Quarks made of energy?
  3. What is the Universe?
  4. If the sun shut off
  5. Longest period double star
  6. Can The Stars Tell Me Where I Am?
  7. What Constellation Was The Sun In, On...
  8. Shapiro delay-how is the distance to Mercury calculated for this experiment?
  9. Spacetime expansion
  10. Speed of light vs mass limit?
  11. Need Help With "Information"
  12. A hypothetical moons orbit.
  13. I need clarification of expansion
  14. Another question (range of gravity)
  15. Different star masses
  16. Mosquito Survives In Outer Space ?
  17. [worldbuilding] Greenhouse effect calculation?
  18. Mach's principle/GR thought experiment
  19. The End - Big Freeze, Crunch or Rip?
  20. Question about the result of exponential cosmic expansion
  21. Some physics questions I cannot wrap my mind around...
  22. Light captured by a black hole
  23. Strange shapes on planetary bodies.
  24. CMBR and quantum foam
  25. Looks and fate of a brown subdwarf
  26. Neptune and Triton; eventual ring system or collision?
  27. Dark Energy and Higgs Field...
  28. Naked Singularities
  29. Center of a blackhole: where is it?!?
  30. Meteoroid modeling questions
  31. My LHC pet peeve question
  32. Basic question on gravitation.
  33. How do I get more information on an area?
  34. Particle Accelerator Radiation
  35. Colonising Moon/Mars
  36. Travelling within the solar system under acceleration
  37. Massive Universe Theory (& Little Bangs)
  38. Grand Unification Theories
  39. What affect does a satellite in retrograde orbit have on tides?
  40. "...recession of galaxies at superluminal speeds have been detected..."
  41. Titan Shadow Transits on Saturn in 2009
  42. Solar eclipse seen from the moon
  43. More matter as a matter of fact
  44. Near Miss
  45. light in the universe
  46. [worldbuilding] Tidal Sand Sea?
  47. Skeptical or confused in relation to Expansion.
  48. A good observational astronomer - how to decide?
  49. Why do black holes merge ?
  50. If light could go all the way round a hypersphere, what would it be like?
  51. where is stuff?
  52. Crossword Q: next brightest star in Virgo
  53. Energy of space and the expansion of the universe
  54. How much damage could last Saturdays asteroid inflict on us.
  55. Why Panspermia?
  56. Sun On My Face
  57. max size for Rocky Planets
  58. How to detect the curvature of the universe?
  59. Immunity to relatavistic effects?
  60. Gravity/ Black Holes/ Wormholes
  61. Spooky action & FTL communication
  62. Jupiter rotation
  63. Saturnian Satellite System
  64. Solar System Construction Questions...
  65. Dark Matter vs Alternatives
  66. green shooting star?
  67. Lunar science...
  68. Question about Inflation
  69. Zenoseismology
  70. Mutual tidal lock stability
  71. Unidentified object from sky destroys car in Cottonwood
  72. What is this? (mars lander)
  73. Absolute brightness of celestial objects?
  74. Solstice
  75. Maximum magnitude safe to see
  76. Direction of Expansion
  77. Can black holes ever collide if they are infinitely small?
  78. Question on our solar system...
  79. Gravity's contribution to meteorite impact speeds (Earth.. Moon?)
  80. Appearance of supernova burst
  81. Why did Supernova 1987A have 3 neutrino bursts?
  82. The nearest quasar
  83. Why Does Lightspeed = C?
  84. Does energy just 'disappear'?
  85. Could the moon be broken ?
  86. When sidereal
  87. A non-tidally locked Moon
  88. Free libration of Moon
  89. What stops the shuttle toppling over on the pad?
  90. Listing all space missions
  91. Keid orbit?
  92. Can light go in to orbit?
  93. Galileo and parallax
  94. Is spaghettification really possible?
  95. Virtual Particles
  96. So, Why Don't Kepler's Laws Apply to Stellar Motion around Galactic Centers?
  97. Orbit of the Sun
  98. Galactic Images
  99. I can't identify the object.
  100. To see stars during the day...
  101. Can someone explain this to me?
  102. Magnetic Field As One Approaches Lightspeed
  103. Free falling into a black hole
  104. Gravitational strength at the event horizon(yes, it's a black hole question)
  105. VR Black Hole Simulator
  106. Technically Speaking, Does the Moon Rotate?
  107. Question about Hawkings Radiation
  108. Venus in the AM and PM
  109. Expansion of Space?
  110. Hanny's Voorwerp
  111. crossing the event horizon
  112. Regarding Ocean Floor Detail in Google Earth
  113. Branes and Bulk
  114. Neutrino-matter interaction question
  115. The Balloon metaphor
  116. General Relativity as a Gauge Theory
  117. Electric producing treadmills
  118. Is the perception of superluminal travel possible?
  119. Is there a limit to how small an object can be
  120. the colour of photons
  121. acceleration due to dark energy
  122. What did I see?
  123. Dark Energy/Dark Matter differentiation?
  124. How is this explain?
  125. What happens to dead solar systems?
  126. Super cluster
  127. Lights Out
  128. As usual - can't do the maths
  129. Interpretation of disk stars plot
  130. Sun and Earth movemernt
  131. Stevie Wonder and science.
  132. what galax they are beloning to?
  133. How well is Mercury's orbit defined?
  134. Nebula Question
  135. how come SUN looks smaller than it's
  136. Does a black hole actually create more space?
  137. Appearance of a brown dwarf at 50K AU?
  138. The End of the universe or Lights Out-2
  139. Viscosity of Phobian rings
  140. Do Saturn ring crossings mark nodes in its orbit?
  141. Photons & the Speed of Light
  142. Neon atmosphere
  143. Where is Jupiter Now
  144. Expansion of Space
  145. Antimatter meteor: how far would it get?
  146. Help needed to understand curious correlation
  147. stellar cartography
  148. Calling meteorite hunters!
  149. Photon/electron enigma
  150. What up with prolonged solar inactivity ??
  151. List Hot Astronomers
  152. FTL electronic shell game
  153. Meteorite Bounce (or was it a meteor-wrong?)
  154. Can Someone Explain This Close-up Of The Sun?
  155. Astro-History: Who was the first . . .
  156. Asteroid spotting, Ephemeris and other question
  157. Dark matter ?
  158. Is it loud on the sun?
  159. Erm just a quicky [space wrapping back on self]
  160. Number of stars in Milky Way (Reprise)
  161. Imaging the Apollo landing sites from earth
  162. Question about stars for astronomy cast.
  163. Size of accretion disks around supermassive black holes
  164. Radio Waves
  165. Rhawn Joseph??
  166. Does speaking mean a loss of mass?
  167. Questions regarding supernovae
  168. Has a planetary nebula ever been imaged...
  169. Couple of novice questions [early photons, Galaxy appearance]
  170. Is there a statistician in the house?
  171. How long does it take? or what happens after the first 3 minutes?
  172. What if the impact that created our moon....
  173. Big Bang Theory versus Speed of Light theory
  174. Suborbital space flights
  175. Rate of aging on faster planets
  176. Perception of another dimension for Dummies
  177. New here & have some questions
  178. Size Matters
  179. So the Earth is Slowing Down....
  180. Organization of Planets
  181. The Casimir effect and gravity
  182. Dust & gas
  183. Can companion stars have their own planets?
  184. Habitable zone
  185. Moon-Related Question
  186. Hypothetical Ocean on Gas Giant Moon
  187. Astronomy Shadow Stick Coursework
  188. Strange Optical Illusion...
  189. Venus: Future Hot Mars?
  190. What is the speed of the Earth's rotation?
  191. how are solar nebula formed?
  192. Big Bang questions
  193. Sunny side of it
  194. Young massive stars
  195. As I Grow
  196. Fission and Fusion?
  197. IS this right? [black hole slowing light]
  198. [World-building] Panthalassic atmosphere?
  199. micro-gravity question
  200. Question abou the CBR
  201. Is it possible to engineer anything useful with black holes in our universe?
  202. Is there a way for humans to prevent our Sun from becoming a red giant?
  203. A light green hue around moon
  204. ISS spectacular.
  205. Next Solar Maximum
  206. Large Binocular Telescope progress?
  207. Earth sized moons oribiting Jovian sized planets
  208. Modeling the Uniform Expansion of the Universe
  209. In A Spin
  210. Whats happening in stars fission fusion
  211. Using Stellar Mass to Determine Planet Mass
  212. Is the Universe vibrating?
  213. Maximum comet size
  214. Collisions of Galactic Clusters
  215. Big Bang Location
  216. Cosmological Principle and GR
  217. Where's the colour?
  218. Orbital re-entry questions
  219. Time and the "size" of space
  220. Dropping balls from a space elevator
  221. Is that a "Star" in the helmet glass
  222. Venus occultation
  223. SETI and alien communications
  224. Solar minumim...
  225. Hammers, Balls and Feathers
  226. Bad navigation, bad sundial
  227. The distance between planets and the universe's expansion
  228. New Southern Constellations
  229. When galaxies merge
  230. Is this possible (solar flare)
  231. Question: Shuttle and thrust at launch
  232. The Suns plasma patterns are fractal?
  233. Dark Energy and Dark Matter
  234. Time at edge of expansion of Universe
  235. Local Stars Orientation
  236. Mass of Dark Matter and Particle Detection
  237. Gravitational force of moving object question
  238. A crazy question [Glass-marble planet possible?]
  239. Neutrinos in the early universe
  240. Neutrino Mass and Dark Energy
  241. Minimum peculiar motion
  242. A Survey of A Brief History of T1me
  243. Space Debris
  244. Determining the Scale of the Solar System
  245. sub millimeter question
  246. Extrasolar Dust Disks and Oort Clouds?
  247. History of astronomy question (circa 1947)
  248. The Space Shuttle
  249. Can an object moving away from you travel farther than 1 light year after 1 year?
  250. A bunch of questions