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  1. calculate lightspeed with Moon?
  2. How is that hubble sees so far back?
  3. Are there more neutron stars or stellar black holes?
  4. Stellar Mass Calculation - Question
  5. WISE Photometrics
  6. Just how hot can a planetary surface get?
  7. what happens to the unit of colomb if...?
  8. Tim e and Space
  9. Invariance - General, Conformal and Reparameterisation
  10. White holes and the sun
  11. what would be used to measure "universal time"
  12. Are pics and captions mixed up, at HiRise?
  13. whats in the dark?
  14. New Moon Eclipse?
  15. Is helium3 a possible fuel for interstellar travel?
  16. Theoretical technology for scanning wormholes
  17. Is the Higgs Field the new Ether?
  18. quick question
  19. how long till we know the exact age of the universe
  20. Why is the night sky not white with starlight?
  21. Angular area of the sky
  22. Energy seperation during big bang
  23. Planet hunting with Kepler
  24. Recommended Book on Space Exploration?
  25. Flash in the morning sky
  26. Moons and moonlets
  27. Confused by T i m e Dilation
  28. Eternal Inflation or Big Rip?
  29. How does dark energy relate to the Einstein Field Equations?
  30. Solar system software with parameter input?
  31. Could WISE find a Jupiter-size or larger exoplanet around Alpha Centauri?
  32. Why did the big bang go bang ?
  33. Physics 101: Calculating t i m e to reach c at constant 1g
  34. 2010 al30
  35. > 10% of the Galaxy's magnetic energy is contained in only < 0.05% of its volume
  36. Terraforming Venus project
  37. One thing
  38. Why is (T I M E) set up this way
  39. the mass of a proton
  40. A new question ;re deg.
  41. Quark Stars and how to relate to black holes
  42. just to say hello [diameter of Mars]
  43. just to say hello [position of Earth]
  44. Evaporated Core
  45. An anti-Higgs particle?
  46. At what speed is the Universes 'event horizon' approaching our POV
  47. Migrating planets in our solar system.
  48. Is mass needed for space tme to exist?
  49. what is the approximate age of the following?
  50. Photons and gravitational radiation ?
  51. Question about Alex Filippenko's Berkeley LiS Astronomy course
  52. Moon dust
  53. how does static behave in a vacuum
  54. Question About Mars
  55. Could dark matter be...
  56. Geocentric orbit and a banana peel
  57. telescopic limitations?
  58. Stress Energy Tensor
  59. a laser and a planet
  60. Which is Stronger
  61. Meteor fireball sighted while on commercial jet
  62. Skydiver Felix Baumgartner seeks to break sound barrier
  63. Fundamental Forces Question
  64. Jupiter, Which Is It?
  65. What is a Singularity, What is a Black Hole
  66. Question for Solar Astronomer
  67. Are local blazar host galaxies in the green valley too?
  68. Is it possible for there to be Dark solar systems
  69. Mainstream Astronomy [Accretion Disks / pressure on matter]
  70. antimatter matter annihilation (spelling?)
  71. Can the anomalies constrain the landscape?
  72. Mass increasing with the speed of light
  73. Black hole with accretion tail
  74. Computing relative brightness
  75. Is the universe circular?
  76. Could a black hole be created from a laser ?
  77. Relativity question.
  78. Planet building
  79. String Theory primer please ...
  80. Tau Zero, time dillation, relativity?
  81. Einstein's Thought Experiment
  82. SOL question
  83. The Mass of the Moon
  84. does spacetime not expand "locally" due to gravity?
  85. After the Space Shuttle
  86. Relativity and Magnetism
  87. Dark Energy and the Big Rip?
  88. Can Globular Clusters map the Dark matter Halo
  89. Horizon Question
  90. What is the formula
  91. is sentry system the best asteroid risk scale?
  92. Black holes
  93. Could Spacetime Curvature be an Illusion due to our vision?
  94. Question about relativistic speeds, filmmaker's perspective
  95. Solar pole reversals - Newbie Post
  96. Earth like planet around Alpha Centauri 3 ?
  97. Gravatitional Constant (Big "G")
  98. where does "Dark Energy" come from? (is there a mainstream idea as to it's origin)
  99. Opportunity for "GOOD astronomy" in fiction
  100. New confusing Earh moon theory?
  101. Neutronium
  102. New Moon Mission Questions...
  103. Proxima from Alpha
  104. Most interesting objects for ET to broadcast from
  105. Van Allen Belt discussion
  106. black hole creation
  107. Supersonic Speed in space?
  108. Vibrating Strings pickup mass from Higgs Field?
  109. Hawking Radiation.
  110. Delay or reduce red giant phase?
  111. Assuming Grand Unified Field Theory is realized,
  112. Moon as a Launching Pad for Humanity
  113. Looking for shuttle info.
  114. If we looked at a black hole, what exactly would we be looking at?
  115. The postulate that the laws are the same in all inertial frames
  116. Dark Matter: Clouds of micron-sized black holes?
  117. The Dynamo Effect
  118. Musings on the speed of light
  119. moving magnetic field created by electromagnets
  120. Visible starbursts
  121. Does anyone know of a simple source which explains the 6 LCDM parameters?
  122. Retrograte motion vs prograde motion
  123. Moon is an artificial Celestial?
  124. maximum magnitude of supernova Ia slightly modified
  125. Gravitational information pathways.
  126. What will be seen outside of the universe
  127. How much do they make?
  128. Composition Of Atoms Question.
  129. Questions about types and quantities of stars
  130. Plancke and Hubble scale
  131. Heat Rejection Systems
  132. Expansion
  133. higgs, non-higgs mass
  134. Apollo 11 Fully-Restored Video - Where is it?
  135. How can a Black Hole form
  136. why do all the planets and stars look the same through my telescope??
  137. Higgs field?
  138. -- T G F --
  139. Neutron star
  140. How high would would you have to go to see America East Coast in the sky from UK?
  141. Titan & Saturn question.
  142. Canis Majoris Question
  143. How long before the sun cooks us?
  144. Chinese New Year: Happy Year of the Tiger!
  145. How abrupt is the entry into the red giant stage?
  146. Apophis, question about additional perturbation
  147. dark matter
  148. Orbital planes perpendicular to ecliptic possible?
  149. Changing scenery at the edge of the observable universe.
  150. Large Universe without inflation?
  151. Another Black Hole Thread...
  152. spacetime itslef can move faster than light?
  153. Planck Length question
  154. Do you Know what Happened in The Universe Before the Big Bang?
  155. Tachyons
  156. how much memory did the apollo spacecrafts have
  157. Could we return to the moon with existing systems?
  158. Universal expansion - could someone help me to understand?
  159. Shape universe portrayed?
  160. Not a truth, the truth.
  161. Is this the answer to life the universe and everything?
  162. the two stars B&B
  163. Carbon Atmosphere on a Neutron Star?
  164. Is global warming not happening?
  165. Two questions regarding Orbital
  166. Fermi Paradox - isn't it half-baked?
  167. Martian dust storms
  168. Which way Milky Way?
  169. How does the Tiny Cosmic Ray create a "Gravity Well" or warp
  170. Synchronous orbit vs. non synchronous orbit
  171. Is the universe the same age everywhere?
  172. Venus and magnetic field.
  173. Quick orbital precession question
  174. scifi relativity help
  175. paradox.
  176. Pressure wave question
  177. What else is can be seen?
  178. Colorful T i m e
  179. transverse redshift at relativistic velocities
  180. [SF/worldbuilding] Large moons?
  181. Need opinions on Pluto being demoted (not what u think)
  182. Diagram of all observatories
  183. Falling car
  184. Gradient of Earth's gravity well?
  185. Travel duration to each of the planets
  186. Exact Size of the Sun?
  187. Twins Paradox in a Closed Universe?
  188. Centripetal Force/Air Pressure Question
  189. Is τ an invariant measure?
  190. Big bang....big emergence??
  191. Lunar Regolith and Carbonaceous Chondrite Meteor Question.
  192. Life of a Photon of light
  193. Speed of Light and the expanding Universe
  194. Ontological concepts(?)/ Special relativity.
  195. Gravity in the early universe
  196. Exoplanetary Question
  197. Younger Universe
  198. Is the Galactic Centre of our Galaxy teaming with intelligent life
  199. Carbon planets?
  200. Why acceleration in a gravity field?
  201. strange shade filmed since ISS
  202. Will Light go Slower than C when pulled into a Blackhole?
  203. Apollo 8 Red/Blue moon images
  204. Stars Composition ?
  205. How close to the sun. . .
  206. Where is Betelgeuse's cluster?
  207. Gravitons
  208. A recent paper on interpreting accelerated expansion of universe
  209. Binary Sun Revisited
  210. Speed in Space
  211. Absolute Velocity Measurement
  212. Universal Expansion & Density
  213. Dead stars
  214. Higgs Boson/Field and E=mc^2
  215. QED
  216. Confused: Heisenberg, Higgs Field, Dark Energy
  217. Can quantum fluxuations
  218. WMAP
  219. Binary systems - orbital trigonometry question
  220. Graphing the likelihood of planets orbiting doubles
  221. Our light lens
  222. Relationship: Gravitational Strength and Planck scale Energy
  223. Sand and stars...
  224. Graviton Potency
  225. relativity test on biologic?
  226. Generation of magnetic field question
  227. Ask Einstein a question
  228. Atomic nucleus as packed sphere
  229. explain Gravity.
  230. Exoplanet Question
  231. [when does photon get to c?]
  232. Non-solar/planetary systems
  233. Motion of the Sun?
  234. Sidereal clock and calendar
  235. Help a sci-fi author? Question about types of suns and planetary rings.
  236. mathpages Gravity, Entropy, and Coherence
  237. Exoplanet stuff for a bright ten year old?
  238. Big Bang
  239. Sag DEG question
  240. What if Shoemaker-Levy 9 had hit Mars instead of Jupiter?
  241. Basic Motion in Relativity
  242. delta and differentials
  243. Math question
  244. Is Sunlight On Mars...
  245. Currently occurring abiogenesis on Earth?
  246. Pioneer Anomaly
  247. Orbits: Cartesian to orbital elements?
  248. Second opinion [moving Earth via asteroid flyby]
  249. Renmant of 10Msun star
  250. Slowing Earth?