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