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  1. Astronomers will be able to image Earth-like planets by 2025
  2. Inside The 24/7 Search For Another Habitable Planet Within 100 Light Years Of Earth
  3. The Square Kilometre Array
  4. Distance between stars.
  5. Dark matter and galaxies
  6. What are the types of planet?
  7. I have different red-shift question
  8. A basic question about the big bang
  9. The Habitable Exoplanet Hunting Project
  10. Cosmic Navigation
  11. time Space Fabric
  12. Block out the sun.
  13. Could we be on the other side of a black hole?
  14. 1919 arthur edington question
  15. Why do we gain sunlite "after the winter solstice" in the afternoon and not in the morning?
  16. effects of gravity
  17. Is the Big Bang still banging?
  18. Mars.
  19. Red shift
  20. Presentation: Worldwide Digital Sundial
  21. Question
  22. Reaching The Stars
  23. Magnetic reconnection, flux transfer events and atmospheric currents
  24. If the Moon was the size of Mercury and much closer (ex:half the distance away) ?
  25. Research projects for high schoolers
  26. Meteor varients
  27. Planets that are similar to Earth that have been hit by a Gamma Ray Burst.
  28. Variant on giant-impact hypothesis - the origin of continents
  29. Big Bang, CMB and Edwin Hubble
  30. Vacuums
  31. The mass of the early universe
  32. Potential theory on a black hole's anomalistic features
  33. Artificial Meteor Shower
  34. can anyone identify this object
  35. Atacama Desert.
  36. Question about light-years
  37. why is my neighbor covering his windows during the eclipse?
  38. Eclipse 2017
  39. Why not have a bathing pool in space?
  40. Dumb Questions Reborn
  41. GMC or what?
  42. Rare Selenelion on wednesday
  43. Why is the BBT believed to be an accelerating expansion?
  44. Dark matter and doppler effect
  45. What is known about the Surfaces of the Gas Giants?
  46. Concening Europa's Eclipse Times?
  47. What would the universe look like if inflation did not occur?
  48. How do we know that black holes form?
  49. Black holes don't exist and neither does the big bang theory.
  50. Stephen Hawking Says 'There Is No God'
  51. Radio Astronomy
  52. Should mass vanish if 0 Kelvin is actually enforced into a system?
  53. Will we colonize the solar system in my life time?
  54. 0 Kelvin PPL!!
  55. Sept., 11 th 2014 ~ NEWS..
  56. Black Hole-Particles-Speed of light
  57. Is it possible to have a disc planet?
  58. Did the ancient Indians know about all the planets in our solar system?
  59. Which way South on WMAP
  60. Is it scientifically impossible to recreate our universe in the lab?
  61. Why does the sun have differential rotation rates
  62. How hot is dark matter?
  63. The Big Bang
  64. Is the 4D time-space continuum real?
  65. The Big Bang and a 4-d Black Hole.
  66. Supermassive Black Holes
  67. Is the speed of light really a constant?
  68. White holes
  69. Could you freeze the sun?
  70. Power and other systems on Mars
  71. Kiwaka app | Developing childrenís interest in Astronomy
  72. Timer
  73. "The Black Hole at the Beginning of Time"
  74. How close would our nearest neighbors be?
  75. Layers to astroids
  76. universal expansion
  77. Should gravitational lensing produce chromatic aberrations?
  78. Brian Greene - Space and Time into a single Continuum on YouTube
  79. Mars. Dry after all.
  80. Question about steering while traveling really fast...
  81. Why don't we turn Mars' wind into water?
  82. Black holes questions
  83. No dark energy???
  84. Oort Cloud Query
  85. Online teaching resources, around 8th or 9th grade, for astronomy
  86. Dark Energy
  87. No lunar seas on far side of the moon, explained but...
  88. Venera 13
  89. Density of air (Gas) question
  90. How was the visible horizon measured?
  91. Would it be smart...
  92. The shrinking of Jupiterís Great Red Spot
  93. Question about the Color of Stars.
  94. What holds the Heliosphere together?
  95. Void Models and the Copernicna Principle
  96. Galactic Collisions
  97. Weighing the planet earth.
  98. Let' talk of a little Astrophysics
  99. Universe recreated in massive computer simulation
  100. Lost Brother Found
  101. Will a starship be destroyed by dust?
  102. Age of the Universe
  103. Carrington-class CME Narrowly Misses Earth
  104. binary star system
  105. Life Should be Common in the Universe, physicists say
  106. Please explain the edge of the Universe
  107. James Webb Telescope completed
  108. is my understanding right or wrong?
  109. Is space expanding or is spacetime expanding?
  110. Pioneer 10 & 11 trajectory anomaly
  111. Please explain me how did universe came into existence?
  112. International Space Station
  113. Kepler-186f mass and radius
  114. Why is the Moon moving farther away from the Earth?
  115. The density of the universe.
  116. Questions about Birkeland Currents?
  117. Are areas of the universe receding from each other at faster than light speeds?
  118. I NEED someone good at astrology for this.
  119. Picture of Earth and Moon from Mars
  120. warning for supernova near earth ?
  121. any warning if GRB aimed directly at earth ?
  122. Question about: Expansion of the Universe.
  123. How to blow up a Star?
  124. How did Bradley determine the speed of light in 1779?
  125. What is Space?
  126. New Dwarf Planet Found At The Solar System's Outer Limits
  127. Wandering Photons
  128. Dark energy explained
  129. interplanetary cowpaths
  130. Solar storm near miss
  131. The Most Accurate Theory for Looking into the Past
  132. 200 light years away would current tech detect human civilization
  133. Stephen Hawking Particle escape from Black Holes.?
  134. The Standard Model of Cosmology Changed Today
  135. Cosmic inflation: 'Spectacular' discovery hailed
  136. Is it possible that the sun is revolving around a massive host star???
  137. Star within a star
  138. The infinitely expanding Universe..?
  139. Either my Science teacher has been eating one too many pixie stix or I knew less than I thought
  140. Meteor impacts
  141. Dark Matter mystery solved.
  142. Dark Matter
  143. Gravity as "negative" energy?
  144. Does the Sun rotate?
  145. Gravitation cancelling in curved space?
  146. Is everything really expanding faster the further out we look into space.. or time?
  147. Holographic universe/black hole
  148. Largest telescope to be built in Hawaii, 98 feet diameter
  149. how can we know the age?
  150. Moon Gets Whacked?
  151. Black hole inside a black hole
  152. Dark energy and the expanding universe
  153. Two unrelated questions on the Big Bang and our cosmologic horizon
  154. Human life under a Blue Dwarf Sun?
  155. An odd thought on blackholes & time.
  156. Can Black hole increase the speed of light?
  157. Universe: Finite or Infinite?
  158. Basic question about stars...
  159. A question in relation to the positions of the Sun and Moon in the sky.
  160. Black Hole Instability
  161. Question about Light Year?
  162. Big bang singularity size
  163. Fly By Speed Increment Anomalies ?
  164. Milky Way's thin disk
  165. Time as a thing thoughts
  166. How Many G's On the Surface of the Sun?
  167. What is trajectory Deflection Angle
  168. Happy 10th anniversary opportunity
  169. Stephen Hawking's new theory offers black hole escape
  170. Light speed question (based on my reading so far)
  171. Einstein's Universe
  172. What is Enceladus heat source?
  173. Rosetta spacecraft thread
  174. 7 comets added to 3D simulation of solar system (Siding Spring, Lovejoy, Halley, Panstarrs)
  175. Why do we still see old light?
  176. More black hole questions
  177. Rocket + telescope + light= all the events ever
  178. Centrifugal habitat on the Moon?
  179. The surface of the sun
  180. Asteroid" behind the sun"
  181. Question: Space expansion and observing distant objects from Earth
  182. What are the most common particles in 'outer space vacuum'
  183. Question about an earth-like planet
  184. Earth slowing down?
  185. Paint your starship
  186. What is the universe expanding into?
  187. Question regarding orbital plane regarding extra solar planets
  188. My problems with infinity, the multi-verse & current scientific understanding.
  189. My Theory on how the Universe can Expand so Fast
  190. How far through the life of the Universe are we?
  191. What would happen if there was no 'outer space'?
  192. Does anything determine the orientation of an accretion disc?
  193. Dark matter and it's entity
  194. Which Drive Would You Pick For A Starship?
  195. What Shape Would You Prefer For A Starship And Why?
  196. Is there enough pressure in the center of the moon/mars to create heat?
  197. Earth-Like Planets - Kepler Mission
  198. How many stars/planets did our radio signals reach yet? [ALIENS]
  199. But we are the middle of the universe!
  200. moon vs mars images
  201. mars oddity
  202. Is the universe rotating like the galaxies are?
  203. If the suns mass reduces over time by the way exausting its fuel (MASS)
  204. 13billion-light-years from earth and we can still see the light HOW
  205. Pale Blue Dot - Carl Sagan
  206. The Universe could be older, right ?
  207. Is there REALLY no center to the Universe?
  208. Does a planet loose mass over an extremely long period of time?
  209. Why!, do the Sun and the Earth not colllide?
  210. Dark Matter
  211. Multi-verse Expansion
  212. Does space time cease when inside a black hole
  213. Question about blackholes and whiteholes, and multiverses?
  214. Blackholes and where stars go
  215. Brightest Explosion In the Universe Ever Seen
  216. orbit, i apologise now for the rambling but its one of those days!!
  217. ''Comet of the Century'' begins to brighten... (article)
  218. Relatevistic Acceleration and Intertia ?
  219. do black holes repel each other?
  220. Infinite big bangs happening right now
  221. Is there a way to measure expansion of the universe?
  222. to have forested/if given the right Condition??
  223. Photons? I am doubtful.
  224. Does the existence of Earth disprove infinity?
  225. Yes...another time thread
  226. Does time dilation affect physical aging?
  227. Ok who broke the sun.
  228. As the Earth orbits the Milky Way is it possible to recieve transmisions from the future?
  229. 8 Billion Earth sized planets. Is this for real?
  230. Space Exploration - What professionals are needed?
  231. 13.7 billion years?
  232. Why aren't we the center of the universe?
  233. The Curious Case of Kepler-78b.
  234. Does the earth travel in a spiral round the sun as the sun is travelling round the milky way
  235. NASA said asteroid may hit earth.
  236. Google lunar xprize
  237. Help me understand a Higgs field
  238. Does lack of Mass Create Time ????
  239. Mystery of the moon...
  240. Astronomers push the frontier of galaxy detection
  241. Rotation of the Milkyway
  242. Water discovered in remnants of an extrasolar rocky world orbiting white dwarf
  243. VY Canis Majoris
  244. NASA To Make BIG ANNOUNCEMENT On Nov 13th!
  245. Timeline of the Evolution of The Universe, Earth and Life - Need Help
  246. Photon Collisions?
  247. Eternal vs. Infinite: Are these words used differently in Cosmology?
  248. Helping people deal with their cosmic insignificance.
  249. Eclipse and Accelleration of the Earth ?
  250. Ocean and Space (Interview): Educated/Professional please...