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  1. Various questions about cyclers, Saturn, and propulsion
  2. KOI 55, type sub dwarf B, supernova origins?
  3. Moon and Tides
  4. Sunrise times and the winter solstice
  5. White Dwarfs And Supernovas
  6. Spiral Arms Question
  7. Generations of stars wince the Big Bang
  8. Moon craters and age of Earth
  9. Flashing the ISS... with Lumens
  10. Welcome to the age of Aquarius?
  11. Books to read
  12. Photon absorbtion - black holes vs color black
  13. JEN (questions about Sirius and planet conjunctions)
  14. The universe's oldest white dwarf
  15. Chain reaction supernovae
  16. Terraforming Venus
  17. Photos of the Aurora
  18. One orbit moon capture
  19. Just saw a dot in the sky move. What was it?
  20. about time dilation
  21. What's up with comets?
  22. Two capacitor problem
  23. Could Comet LoveJoy's dust trail cause meteor showers?
  24. question about Spectroscopy of the sun
  25. Shape of Pleiades
  26. ufo about 1990
  27. A mark on the sun
  28. Professor Stephen Hawking's answer to a question...
  29. Viewing partners
  30. Need advice on getting started
  31. Accelerating to light speed
  32. Merger of event horizons
  33. Hi everybody (astrology calculation request)
  34. The Sun has___?
  35. Problem with space website
  36. What Started Time ?
  37. Constellations where planets go
  38. Could SNEWS pick up a SN in M31?
  39. Can we detect rogue planets?
  40. Demographics of supernovae
  41. Science Fair
  42. What would climates be if Mars and Venus switched places?
  43. Charge of universe
  44. Type Ia SN progenitors
  45. How do close WD or NS binaries evolve?
  46. Did I get this right?
  47. Can Asteroids clump together ?
  48. Speed of light was not always the same ?
  49. Why the attachment to the aether?
  50. Cosmic Jets?
  51. Which was more energetic?
  52. How do moons get into orbit?
  53. Searchable Star catalogues?
  54. Energy of Supernovae
  55. Can Radio Telescopes pickup signals from normal individual stars?
  56. Could rogue planets and dwarfs have passed though the outer solar system in the past?
  57. Is Jupiter a Liquid Gas Giant ?
  58. Super Earths and space travel.
  59. What distance from the sun is the gravity 1 G?
  60. Venus in the Southern hemisphere ?
  61. Stellar pronunciation guide?
  62. Light???
  63. Do gravity wave have to be in normal 3 dimensions or the proposed extra ones ?
  64. Important CERN Symposium explains all!
  65. Ne of the Drake Equation
  66. Gemini / Apollo pictures taken from the ground?
  67. Light speed and calculating spacecraft routes to other planets
  68. Life-supporting galaxies
  69. The observable Black Hole...
  70. Solar flare/CME today?
  71. Planetary capture by expanding star
  72. Exoplanet transit detection vs variable stars
  73. [Heim Theory and] Minkowski space
  74. Negative matter
  75. How do the Galaxys stay formed ?
  76. Distance of earliest emission from ancient galaxy
  77. 2 Questions Star and Black Hole
  78. Universe Sandbox
  79. Russian Scientists discovered 'Several objects resembling living beings'?
  80. Supernovae in M31
  81. A Really Cold Day At The Beach Question.
  82. Interstellar Materials Question
  83. Kuiper Belt Object Question
  84. Population 0 star
  85. Companion of supernova
  86. How would a 70+ year long night be possible?
  87. black holes , gravity theory and M theory
  88. Math Problem
  89. Another Star question
  90. Venus- Jupiter-Regulus Conjuction
  91. Planck energy propulsion
  92. gravity and charge
  93. Saturn's North poler images ?
  94. The Hubble Space Scope Magnification
  95. halo
  96. How long do I have to wait for repeat of Nova Aquilae 1918?
  97. ? Laser lunar distance charts ?
  98. Question 2 (redshift and apparent scale)
  99. Optical doubles and eclipses
  100. Missile launch from orbit
  101. Video Games and Their Basis in Theory
  102. Viewing the M42 Nebula with a 5-inch Scope
  103. Mass of the Earth
  104. ever been a supernova in M31?
  105. Names of stars in Felis?
  106. Some noob questions about planets.
  107. Starry starry night?
  108. Earth imaging using an infrared camera
  109. What is the brightest star in the Universe?
  110. What is the true color of Callisto?
  111. Does this look like a Meteor to you?
  112. Sizes of brighter Messier objects
  113. Kepler Telescope - When is it taking pictures of
  114. Spitzer Telescope What Am I Looking at in these Cool Photos
  115. What is the upper limit to the mass of a neutron star called?
  116. Lunar polar space elevator?
  117. Furthest known stars
  118. Detecting our solar system
  119. Q about the LARES sphere satellite going up on Vega
  120. Massive star stability
  121. Venus position in the solar system
  122. Crushing Weight?
  123. Suggestions for a topic for IB extended essay?
  124. L1 Stability
  125. Light-Reflection Clocks and Gravity
  126. Helical Electromagnetic Field
  127. Introductory SR Books
  128. A question (two yellow objects in the sky)
  129. Science Fiction Building Material Questions
  130. The number of rogue planets in the universe
  131. The end of the Viking 1 lander
  132. How big would Kepler 11c look .....
  133. Galaxies observed in the EUV?
  134. Transit by rings
  135. Coming home? Worthwhile?
  136. Why is the Sun a Star and Jupiter a Planet
  137. Big Bang and The Edge of The Universe?
  138. Launching Ice into Space
  139. If Messier had travelled to Australia ...
  140. Auroral Displays
  141. Brightest Milky Way young clusters
  142. Quasar redshifts determined from observations in bands other than the optical ...
  143. Exceeding the speed of light?
  144. Sol unleashed?
  145. Relativity, space time simply and clearly explained to children
  146. Finding Locations to view the Venus Transit
  147. QCD
  148. Largest 1g planet possible?
  149. Fire in the sky, 11th Feb 2012
  150. Gas Cloud
  151. Cosmological Textures (Q from the Fun Paper's Thread)
  152. Earliest Life
  153. Orbital precession
  154. relativistic speeds and weapons
  155. SETI Question (hope not woo-woo)
  156. Light paths, and self magnification.
  157. Where to buy small solar panels?
  158. Dark Energy Vs Black Holes
  159. UT image question
  160. Distances of stars and Kepler F.O.V.
  161. Metal production with protium
  162. Questions about a hypothetical habitable planet around Alpha Centauri
  163. Entropy and the ever-expanding Universe?
  164. FTL neutrinos - faulty hardware, as expected?
  165. Could a private company explore nuclear space propulsion if governments don't want to
  166. Supernova time frame?
  167. Would SNEWS detect a R136a1 pair instability supernova?
  168. To tell a recurrent nova
  169. Nova without a companion star
  170. SDO footage of moon transit across sun
  171. Is anyone familiar with The Open Astronomy Journal?
  172. Does space have mass/weight?
  173. Dwarf novae are also classical novae, right?
  174. Is it possible to measure true cumulative velocity?
  175. Anomalous advance of the perihelion of Mercury - first GR publication?
  176. Uncertainty and Macroscopic Past
  177. Apparent verses true
  178. How do we know that white dwarfs are Type Ia supernova progenitors?
  179. Acceleration vs Velocity - Black Hole Event Horizon
  180. Tracking future supernovae
  181. Massive Asteroid to Hit Earth in 2040?
  182. Juptiers magetic dynamo question
  183. Can Nano-antennas (optical antennas) be used as telescopes?
  184. Rotation of the Milky Way and galatic collisions
  185. what starts the spin?
  186. Eclipsing Binary
  187. Orbit calculations
  188. FITS files
  189. 2012 DA14 - Chance of hitting earth?
  190. If the 23.5 degrees tilt pointed the other way
  191. Why are most star systems that we know of Binary Systems?
  192. Hello Asteroid, I'd like you to meet Earth in February 2013
  193. Eleven Dimensions in String Theory
  194. Can it snow on Mars?
  195. What is the surface like on a gas giant?
  196. Jupiter & Venus - coming together
  197. Hollow Moon --- Evidence ?
  198. Torino 10
  199. Concepts of reality .. ?
  200. New Physics
  201. Why isn't there liquids on the surface of Venus
  202. Can someone explain what this object is
  203. Velocity of gravity ?
  204. The proposal by Charles Cros to use a giant mirror to contact the Martians
  205. Sunspot Brightness
  206. Temperature of Mars
  207. Earthly Items On The Lunar Surface Questions.
  208. The LCROSS Impactor Plume.
  209. A universal freeze frame
  210. Apollo 14 Radiation Dose
  211. Mars in 18 hours
  212. Size of Torino 8...10
  213. Mars in a light bulb
  214. Thorium Rockets
  215. Photons per second (from a star)
  216. Nuclear Electric Propulsion
  217. Is this accurate? [solar system travel times]
  218. So, what's going on here [Sphere in the Sun's corona]
  219. Meteorite spotting
  220. Linear or circular move in space-time?
  221. [QED is not based on the theory of waves?]
  222. Is the standard cosmic model frame dependent?
  223. Nano-particle field extraction thruster
  224. Why are quasars redshifted?
  225. [event horizon, time slows]
  226. Solar Eclipses - evening?
  227. Scale of Clarke Burst
  228. Unmanned landing precision
  229. Terraformed Venus
  230. Are Gamma Rays in GRBs electronic in origin?
  231. Vacuum Energy
  232. Help, arguing with woo woo [bio dynamics/Moon]
  233. 11-11-11 sky event
  234. Sound of a supernova
  235. It's full of...not enough galaxies?
  236. Astronomy simulation question
  237. Bose-Einstein
  238. No evidence for giant impact theory of Moon's creation?
  239. How do I read a star name?
  240. Does this 1939 paper by Einstein "prove black holes cannot exist"?
  241. Books on Venus?
  242. M-1 vs. F-1
  243. What is Local?
  244. Question about antiparticles and gravity
  245. How Important is CDM is the new candidate for cosmology warm dark matter?
  246. Strength of heliosphere vs. supernova
  247. How do you pronounce -ae in genitives and plurals?
  248. Help learning MTW Gravitation, Parts I and II
  249. Asteroid 2012 DA14
  250. kSZ effect?