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  1. Could someone tell me if I'm doing this right?
  2. Simple question about the light
  3. Constants not so constant ?
  4. Describe theMilky Way from a star in the halo
  5. Mass of dark holes and dark energy
  6. Connecting Telescopes
  7. Is the universe flat?
  8. Conceptual Optics and Solid State books
  9. Possible way to detect gravity waves
  10. Is nasa broke ?
  11. extraterestrials and this solar system
  12. GRB - How far away is it now
  13. is hunting for killer asteroids a waste of money and effort ?
  14. NASA Moon images ..Where are the new Images at
  15. Classifying planets
  16. Big Bang questions
  17. Lack of a magnetosphere and effects on atmosphere
  18. Updates on 2006 article titled "BB Afterglow Fails an Intergalactic Shadow Test"
  19. Determining exoplanet masses
  20. Photos of Martian Canals?
  21. Planet hunting
  22. Naked Singularities
  23. NASA launching costs
  24. What are the top 5 most critical astronomy events...
  25. Accurate depiction of distance and scale?
  26. Was the universe a BH at the moment of the BB?
  27. Vacuum energy, dark energy, and energy conservation
  28. are gravitational waves ... really waves?
  29. If a 5 miles wide Asteroid hit mars or venus
  30. "Seeing" the speed of light
  31. Does science specifically define "information" and "machine"?
  32. Universal Math
  33. Gravity in a dense infinite Universe
  34. Nibiru
  35. Higgs force field
  36. solar system creation
  37. What Do You Have to Study in Order to Become an Astrobiologist?
  38. What is the wavelength of matter?
  39. A strange object
  40. History question: when was "dark energy" first used?
  41. Have you seen a star picture bigger than a mere Dot?
  42. Question about the constancy of c
  43. Dark white hole
  44. Properties of matter with negative gravity?
  45. When was the color of Neptune discovered?
  46. Expansion
  47. Language (linguistics, etymology) question re Mercury
  48. The cosmic renaissance
  49. Hubble image: Is it breathable oxygen?
  50. How can a black hole "rotate"?
  51. Aren't planets really just satellites of a star?
  52. The last bit of an orbital rendezvous
  53. So now I find out matter CAN travel at c!
  54. Looking for Advice pn software
  55. Galaxy rotation curves
  56. The speed of light and scattering
  57. Rules for Time Travelers
  58. Effects of different atmospheric compositions
  59. why not fallen into blackhole at bigbang?
  60. Orbital electrons
  61. Fixed Stars & Constellations in Astrology by Vivian E. Robson
  62. Do we know where the Big Bang took place..
  63. Nukes in Space - Visible from the ground?
  64. Need help IDing a UFO i just pictured
  65. Simple Question [Bright object "near" Moon]
  66. How to create a micro-black hole?
  67. what is the difference SR vs GR?
  68. calculating dilation
  69. Hypothetical calculation - can it be done?
  70. state function?
  71. EM wave "energy" vs amplitude?
  72. G wave Q
  73. Lagrange Points
  74. What is the string theory?
  75. Looking for help converting from equatorial to horizontal coordinates
  76. Spherical object seen on Martian surface, hirise image.
  77. Astronomy, where to begin?
  78. 2Qs Blackholes/legrange points
  79. Eclispe in Asia in July
  80. light/energy
  81. Rotation - I just don't get it..
  82. Propulsion using Solar Sails
  83. What options are there for removing trash from orbit?
  84. stars in daylight
  85. Two Project Mercury Questions
  86. Your Average Day on a Pulsar Planet
  87. Twin Paradox question, can anyone help?
  88. How Certain is the Gravitational Constant?
  89. Counterclockwise Orbits
  90. viewing saturn's rings
  91. Anti-matter radiation
  92. Why is an antiquark not an antiparticle?
  93. The lost story ?
  94. Planetary Calculation Problems
  95. Distances: then or now?
  96. Nibiru, seeable by Russia?
  97. Smoke Ring
  98. Palomar Sleuth question
  99. Sea level rise resolution and the Jason-2
  100. How many professional astronomers in the world?
  101. Claim the Moon was captured by the Earth 39,000
  102. constellations and elements
  103. Question about repulsive gravity
  104. What causes aurora?
  105. How does gravity work in a rolled up dimension?
  106. idea, what do you think [dimensions, dark matter]
  107. globular cluster views
  108. What is this that i found on google SKY? looks like a spacecraft!!!!
  109. Acceleration, or variable deceleration?
  110. 4th dimensional travel
  111. motion through CMB
  112. expanding universe
  113. escape velocity
  114. Searching correlations
  115. Need Your Opinion/Comment on My Astronomy Quiz
  116. Could the earth just be a moon
  117. What colour should a spaceship be?
  118. The Light Side of the Moon
  119. summation of infinite series
  120. Help with RA-DEC to ALT-AZ conversion
  121. twin paradox for light
  122. A star moving last night I saw 2 am
  123. Please need this information on Gravity
  124. Tectonic plates on Earth vs other planets
  125. why the difference: observable vs. farthest galaxy?
  126. Autonomous shuttle launch
  127. Binary Sun Theory
  128. Why is the Earth moving away from the Sun?
  129. Signs of the zodiac +
  130. Source of Reduced Iron on Mars?
  131. Question about Blue Hypergiant stars
  132. Repeat of the Gregorian Calendar
  133. The stars in the night sky vs. Sun
  134. End of the universe
  135. Dark Matter (MACHOs)
  136. Atomic Craters
  137. Reigniting a white dwarf?
  138. 5 Surprising Six-Figure Jobs
  139. Earth Orbit
  140. Hawking Radiation
  141. Gravity from the frame of a photon
  142. University of Lancashire Astronomy degree
  143. Pycnonuclear ignition?
  144. Convert equatorial coordinates to horizontal
  145. binary giant planet system
  146. Distance to the edge of the Universe
  147. Saturn's hexagon
  148. Universe Expansion
  149. Is there an physicist to dare an answer to a question?
  150. hyperbolic regions in an overall flat universe?
  151. On the vacuum of space and atmospheres of space craft.
  152. Balloon in space
  153. Supernova going off in our galaxy ?
  154. Precession of the equinoxes - South version
  155. A black hole is cold?
  156. Wavelengths
  157. Rotation Questions
  158. Gravity question
  159. Moon Maps
  160. Changing mass debate question
  161. Photons into matter?
  162. Classical Taurus
  163. Is it possible for a Galaxy to disappear due to a cataclysm?
  164. Speeds of galaxies
  165. Entropy...
  166. Does the Universe look uniform to all observers?
  167. The color of stars
  168. curved space
  169. Question about gas giants.
  170. 30-50 closest G2V Spectral Class Stars?
  171. Telescope newb here. What did I see last night in my scope?
  172. Reflections, Refractions, and the Behavior of Light
  173. Would I Identify Certain Constellations from "Somewhere Else"?
  174. before the big bang - wely curvature
  175. Is gravity quantizied?
  176. Globular cluster and arm collision?
  177. Chromophores and sky color and Raleigh scattering
  178. Why do we predict a graviton?
  179. Advanced Radiation Warning
  180. If space is Expanding....
  181. Question? [2012]
  182. Did Einstein Really Say This?
  183. What good is math?
  184. Tunguska and Lake Cheko
  185. Effects of Solar Minimum
  186. Unknown Moving Object
  187. The Sun's rotation
  188. Planet on the edge of the universe
  189. Has anyone read any of Kenneth Dalton writings?
  190. need some help with sources...
  191. Gravity Waves and the Fabric of Space-Time
  192. [Gravity wave interference]
  193. Atlas V rocket question
  194. black holes
  195. What did I see?
  196. twin paradox for orbit
  197. Communication with interplanetary probes question.
  198. Photon mass and relativity
  199. Will a warmer atmosphere affect LEO orbital decay?
  200. Question about graviton polarization tensor
  201. Teaching "curvature of space"
  202. Looking for a book about deep-space objects...
  203. "collision" of gravity waves
  204. Phases of multiple moons orbiting a planet
  205. Another What Did i See question
  206. dilation for fictional gravity
  207. Phobos-Grunt
  208. Invented or discovered?
  209. Moon and analemma
  210. How Does Gravity Affect Light?
  211. out side space could it be what was before the bigbang?
  212. ISSTtemperature Constraints?
  213. Prevalence of Binary Star systems
  214. length contraction in gravity field
  215. AS15-85-11449HR - photograph question
  216. elongation of accelerated observer's ship
  217. Apollo missions - Saturn V launch videos
  218. Curved Space and Planetary Motion
  219. Light speed less than unity
  220. A universe of infinite mass?
  221. What accounts more for pulsar orbital decay?
  222. Hydrostatic Equilibrium Question
  223. Is there enough light to lit up the whole Universe?
  224. Are photons black holes?
  225. Wandering objects in the universe
  226. Saddle-shaped?
  227. The Galactic Motion of the Sun
  228. Mars Launch vs Orbital Launch
  229. Binary Planets
  230. Varying Speed of Light Theory
  231. expanding spacetime and relative speed
  232. Hipparchus Book Aratus and Eudoxus
  233. BB and infinity?
  234. A question about the form of the big bang
  235. General Astronomy Questions
  236. Gravity Force?
  237. New comet in the southern skies? Anyone?
  238. Relativistic mass "exponentiality" near c
  239. Another "scientist breaks speed of light" story
  240. Entanglement
  241. Einstein vs. Newton
  242. SETI falsification procedures
  243. The Speed of Light in Matter
  244. Solar Cycles
  245. How do they do that? [Liquid rocket fuel]
  246. supernova
  247. A safer Space Shuttle?
  248. Question about Right Ascension
  249. sun transit
  250. Question about thermodynamics and the creation of the universe