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  1. New horizons space craft trajectory corrections
  2. Broad spectrum analysis equipment?
  3. Vectors of Canopus and Vega
  4. How far do the anti-isms stretch??
  5. Are any field stars young?
  6. did a gamma ray burst kill the dinosaurs?
  7. more planets beyond pluto?
  8. E=MC2: why?
  9. is the IAU definition of dwarf planet already official?
  10. dark side of the moon
  11. what really happened in tunguska, russia?
  12. Astronomy question for a webcomic
  13. is there more than one Universe?
  14. December 21, 2012 so what will happen on this day?
  15. does the position of proxima centauri to the sun ever change?
  16. expanding universe
  17. when voyager 1 and 2 makes it out of the heliopause, what do astonomers expect to see
  18. Defining points in 4D space
  19. What would be the intersection between two 3-spheres?
  20. astronomy history question
  21. Accuracy in the movie Knowing
  22. Frequency shift of photons emitted by rotating objects
  23. Traveling to the past
  24. Some Questions About Hubbles Launch
  25. stray asteroids orbiting earth
  26. Looking for Quasar photos
  27. CMB Question
  28. Infrared
  29. a big-bang question
  30. Expansion
  31. Increasing mass on spinning neutron star
  32. The Big Bang
  33. Comet Trails and Meteors
  34. Introduction, and questions for my future
  35. Is it possible to hear a meteor explode?
  36. Why do all the gas giants look different?
  37. what good is thinking , imagining
  38. Spectra Question
  39. Shuttle roll
  40. halo around galaxy
  41. Moon crossing ecliptic
  42. Dc em
  43. Final Notice... Debunked ?
  44. How are hominid fossils dated?
  45. Speed and dark matter
  46. Is 186000 MPH actual fastest speed of light?
  47. Is this picture authentic from MARS?
  48. Creating a solar system..need help with my calculations
  49. Question about Apollo 11
  50. Earth's Electromagnetic Field
  51. Solar motion as viewed from the Moon
  52. What's the deal with the SRB cams?
  53. Gravitational Fluctuation Question
  54. How dense is a nebula ?
  55. Why is relict radiation black?
  56. What are evancescent waves?
  57. Ocean tides
  58. Asteroids sinking islands
  59. A question, Whats next ?
  60. eclipse
  61. About the Martian atmosphere
  62. Causality
  63. Lunar Lava Tubes
  64. Can naybody tell me what Kitt Peak telescope this is?
  65. Quasars
  66. Isotopic Abundances?
  67. What forces are acting on a body in 'freefall' ?
  68. Longest eclipse??
  69. Do stars create energy (heat)
  70. travelling with light
  71. Heavens above accuracy
  72. Meteorite experiment
  73. A First Course in General Relativity
  74. Where is the COM of the Observable Universe?
  75. Planetary angular momentum exchange
  76. What will happen with the Shuttle Robotic Arm?
  77. Can Jupiter become a star?
  78. lightspeed and communction
  79. Confusion about Redshift due to Universal Expansion
  80. Quarter Phase Calculation
  81. Magnitude of ISS + STS 127 = what?
  82. Newtonian Causality
  83. National Space Centre - Leicester, England
  84. A scope question
  85. Saturn V questions
  86. When does a photon turn into matter?
  87. Why doesn't the Neutron Star Decay
  88. Cosmic Rays
  89. problem with conceptualization
  90. Subatomic particles
  91. Dark Energy and its role in our existence
  92. UFO Surveillance
  93. Distances to Stars and Relativity
  94. Viewing "curved space" perfectly "flat"
  95. Comet question
  96. Does the Allais effect detect gravitational waves?
  97. Size of iron meteor that could deorbit?
  98. Basic math question (Venus apps.)
  99. night star
  100. decay in a centrifuge
  101. Could a nearby Earth-threatening GRB not even be possible?
  102. Redshift
  103. Reasonable explanation for lights in the sky?
  104. Does apparent t1me dilation, of fast objects depend upon where you are looking from
  105. Solar magnetic loops, oblateness and gravitational pull
  106. Late heavy bombardment on Mars
  107. QM and relativity
  108. Astronaut birth order
  109. Is the Sun Pulsing?
  110. What's a good astronomical society round SE England?
  111. Planets of unknown period
  112. T1me on Mars...
  113. More .... yes folks ... more questions about BH evaporation.
  114. Difference in weight depending on location of moon/sun
  115. How to *exactly* calculate Pi
  116. Edwin Hubble and Andromeda
  117. Supernova candidate
  118. dilation
  119. Entropy and Do atoms age?
  120. Do all forms of energy bend spacetime the same way?
  121. What is matter?
  122. Jupiter Observing Guide for August 2009
  123. What was that with Gravity probe B?
  124. fabric of spacetime
  125. Favorite exoplanetary system?
  126. Cosmic/Galactic Calender?
  127. light and gravity drag
  128. A few luny questions
  129. Does quantum tunnelling permit escapes from black holes?
  130. Anybody got ideas on Ancient Astronomy?
  131. looking for logic
  132. Rotation at light speed
  133. Conservation of entropy?
  134. Can entropy in a living system decrease?
  135. Black Holes
  136. How the planets formed?
  137. Martian Ice Structures
  138. Can you 'jump' into a fourth dimension?
  139. Superluminal Travel...I wan't to believe :P... would this "work"?
  140. Question about the effects on Neptune ...
  141. Is the speed of gravity altered by a medium?
  142. Questions on Pauli Exclusion Principle and Quantum States
  143. The Boom/Splat Photon Hypothesis
  144. Why is lightspeed the fastest?
  145. How many new stellar populations will there be?
  146. Venus as a gas planet
  147. The Beaten FTL Horse ("special" frame)
  148. Possibility of gravity produced by information ruled out?
  149. The Moon: Specular and Diffuse Reflection
  150. How do we know?: A conversation about the periodic table
  151. Great Attractor/Dark Flow
  152. Conservation of momentum
  153. Perseid meteor shower View from Afghanistan
  154. IAU process for planetoid naming
  155. 812 in universe
  156. Perseid meteor shower
  157. earth's anomalistic year
  158. Any theory can be made covariant?
  159. Question...what did we see?????
  160. Quasar's effect on it's galaxy
  161. Voyager 2 launch date
  162. Changing Speed Of Light
  163. Radio jets and galaxies
  164. If we landed on the moon right now.. [footage/photography]
  165. Perseid
  166. greetings to all ! [crater seen in google Earth?]
  167. How would "pre-Hawking radiation" work?
  168. No gas giants
  169. Looking at sunset through binoculars
  170. Question about microgravity
  171. "true" speed of light 187,000 mps?
  172. What lensing effects does the expansion of space produce?
  173. The August Mars hoax email
  174. Darn we're small - but is this accurate?
  175. If we live in a 3-sphere, would we be able to see stars on the other side?
  176. Does everything Have to Always be moving?
  177. Question about Photon as force carrier
  178. orbital mechanics, robot satellite
  179. Big Wave Theory
  180. Space Station "Artificial" Gravity
  181. hellion 1957 to hit the sun this weekend?
  182. Expansion vs collision
  183. Pre-pioneer picture of Saturn
  184. Planet Walk - In Space!
  185. What is dark energy
  186. Can a Solar System be formed...
  187. yes another question...about sun like stars...
  188. Question on the law of conservation of energy/matter
  189. Does light "fall" in the same way as an object?
  190. Does magnetic reconnection violate the conservation of energy?
  191. newton reloaded
  192. ATX training sessions at Kennedy Space Center
  193. Naming visible stars
  194. If the sun where to turn into a black hole...
  195. Is light considered to "slow down", in gravitational fields?
  196. orbital mechanics, robot sat 2
  197. Dumb question? [ RCW as in RCW 86 ]
  198. Expansion of the universe
  199. 10^120 times difference between quantum theory and the cosmological constant
  200. mars near earth
  201. What would happen if the earths rotation slowed?
  202. Are gravitationally lensed objects blueshifted?
  203. integration at Schwarchild radius
  204. Would a photon be emitted, if its fate was only to infinitely redshift?
  205. Extrasolar moons?
  206. How the Universe can come from Nothing. Vacuum Fluctuations and Virtual Particles
  207. length contraction in gravitational field
  208. Saturn Ring density waves?
  209. Nebula classification
  210. deriving the Schwarzschild metric
  211. Need ideas to promote my IYA2009 Project
  212. Expansion of the Universe and Spacetime
  213. alternative isotropic Schwarzschild metric
  214. angles in Schwarzschild metric
  215. Photospheric pressures
  216. Mass of the universe
  217. What is "the truth" about who invented the telescope?
  218. Stellar Re-count
  219. Infinite Universe....Fate?
  220. Black Holes and Quantum Mechanics
  221. Cancellation of gravitational t i m e dilation at isogravitic points?
  222. what is the purpose of antimatter?
  223. Light and the 'edge' of the universe
  224. Question about binary planets
  225. Did the universe expand faster than the speed of light?
  226. Milky Way Structure
  227. Details hurting my brain
  228. one more integration
  229. Lines and Curves in Motion Questions
  230. Distances between planetary orbits
  231. cosmic rays, plasma frequency - sense, nonsense, or ...?
  232. Interstellar environment
  233. Projects canceled because of Apollo
  234. Manifolds
  235. torque and orbits
  236. Ti m e dilation formula
  237. Why isn't the universe totally symmetric and uniform?
  238. Hypothetical Theia - How would it have looked from Earth?
  239. A Question About Uniqueness
  240. Shuttle/satellite orbital dynamics
  241. Is There a Layman's Definition of Spacetime?
  242. Superluminal relative velocity
  243. Contraction of Universe when density > critical
  244. Gravitational Decay?
  245. Sound in Space
  246. Earthshine During a Total Solar Eclipse?
  247. Stars/matter in spiral arms
  248. Seasons around binary stars
  249. Question on the possible implications of a Big Rip
  250. What is the potential of Wolf-Rayet 104?