View Full Version : Astronomy & Cosmology

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  1. Does the International Space Station slow down?
  2. Reading the Universe.
  3. Are we living inside a black hole?
  4. Mercury: A Case For Settlement
  5. Getting useful data from a redshift
  6. Understanding reference planes for NASA's "Horizons" tool?
  7. Life on other planets
  8. Is there a space/zone where the Universe Is?
  9. Speed of Light, should be named different?
  10. Catalyst: 29/8/'13
  11. Ununpentium and supernova
  12. Could it be possible to determine if the Universe rotates?
  13. Open roof space station?
  14. Drilling vs. Melting
  15. Swimming pool on the moon
  16. Widmanstätten in meteorites
  17. Super-solar flare
  18. How to make a Universe out of Nothing. You decide.
  19. faster than light speed
  20. Interstellar meteorites
  21. Near-earth gravity
  22. What is "Speed increment at infinity" ??
  23. Your Age on Other Planets
  24. Distance in space?
  25. Gravitational lensing or hot gas?
  26. Questions for Brian Greene
  27. which star is considered the brightest start? and why?
  28. Explosive Issue
  29. Hubble Sees the Fireball from a "Kilonova"
  30. Super-supernovae spell trouble for dark energy
  31. Supernova?
  32. Spiral galaxies have very flat disks. Why?
  33. Vacuum box test for: gravity, acceleration or centrifugal force?
  34. If the universe is spatially finite and flat, could you fly 'out of space'?
  35. Galactic electric fields
  36. Venusian moon
  37. Star drifting in disc shape system
  38. Is the idea of the Oort cloud dated?
  39. What is a feasible way for the nature to generate an Atom?
  40. Help bring radio astronomy to the public
  41. Question about "Ancient Aliens"
  42. matter and the expansion of the universe
  43. What is the escape velocity of VY Canis Majoris, and the relation between mass and volume?
  44. Gliese 667C
  45. Cosmological infinities
  46. concept of the flow of the time
  47. Space travel question!
  48. Apparent Red shift in a discrete Newtonian reference frame
  49. How much rocks is needed for it to melt?
  50. Are Free-floating Planets 'Planets'?
  51. Arrow's of time
  52. Big Asteroid Flyby on Friday, May 31
  53. Doubts in big bang theory.
  54. is space contains energy in it ?
  55. relative motion
  56. closed regenerative systems
  57. Explosion on the moon
  58. Hawking: Mankind has 1,000 years to escape Earth
  59. Planet-Hunting Kepler Spacecraft Suffers Major Failure
  60. More Questions about Light
  61. Could this planet support liquid water
  62. Orbiting a Black Hole
  63. exploding star?
  64. Another Earth In Our Solar System.
  65. Size of the universe
  66. Planets
  67. Quantum-what-now?
  68. Looking at the moon during the day
  69. A new look at DARK MATTER & DARK ENERGY
  70. Help with some easy basic formula about astronomy
  71. Combining gravity and quantum mechanics. What are gravitons then?
  72. Mars One - Would You Go?
  73. getting off this ball of rock
  74. 100% certain I am at the centre of my universe.
  75. NASA touts plan to grab asteroid as 'unprecedented technological feat'
  76. Jupiter Earth connection
  77. A phone call at the speed of light?
  78. produce antigravity to get to space quicker
  79. Total recall question
  80. Einstein's Theory - Which One is Moving?
  81. recent meteors and fireballs
  82. Black Holes
  83. Singularities and nothing.
  84. Red shift dilemma.
  85. Time Dilation at Near Lightspeed
  86. Basic Question
  87. Comets
  88. "Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us." -Calvin What did he mean?
  89. If Earth had a 45 degree tilt?
  90. Astronomical Science
  91. Drafting a Comet
  92. Is our solar system moving up and down from the galaxy plane?
  93. Stellar Nuclear Fusion
  94. why cant we see the local interstellar cloud?
  95. Warped Space
  96. Black Hole, future and past
  97. An expanding universe?
  98. Constellation of Origin?
  99. Astronomy Magazine
  100. Singularity
  101. Confirmation of Jupiter
  102. Theory that reduces complexity of dimensions to base units
  103. Big bang
  104. What exactly is antimatter?
  105. dark energy, obviously
  106. The Sun is expanding, or are we moving closer?
  107. What am I seeing, really?
  108. Meteorite fall in Chelyabinsk!
  109. how come ????
  110. Space is curved relative to what?
  111. A Sort of Problem in Astrophysics
  112. Earth-like planets are right next door
  113. lorentz?
  114. math forum?
  115. Ringside seats for the Big Bang
  116. Northrop Grumman Completes All Flight Optics for NASA's James Webb Space Telescope
  117. Iron bullets from orion nebula
  118. learning black hole theory
  119. The Big bang Theory v The steady state theory v World in a world.
  120. Heisenberg's Uncertainty Principle as applied to Black Holes
  121. space regarding collapsing stars...
  122. Would we have a Big Bang Theory today if...
  123. How feasible is using railgun technology to launch space probes?
  124. The Universe 'froze' its way into existence in a Big Chill, say physicists
  125. Shocking truth, biggest item in universe 10.000 more big than our milky way
  126. Telescope
  127. Challenging Cosmology
  128. question on meteorite from mars
  129. Orbit of the Earth
  130. Comets PANSTARRS & ISON
  131. Odd object on mars
  132. How big can a rocky planet get?
  133. Reviving the Mars?
  134. Gamma ray bursts
  135. some interesting theory about our universe
  136. Astronomy Notes
  137. Astronomy Notes
  138. Deep Sky
  139. Q about satellite
  140. questions on planet formation
  141. "Active Galaxies"
  142. What if we get 2 moons ?
  143. Andromeda question
  144. Winter solstice - December 21
  145. Probably another dumb one...
  146. Black hole inside earth?
  147. Future eclipses
  148. Standard Candles in an Expanding Universe
  149. May some Quarks be origined by a Black Hole explosion?
  150. RIP Sir Patrick Moore
  151. May Black Holes be considered as ripped of space-time?
  152. Technologies to wider the current limmits of Our Universe
  153. HD40307G News
  154. Exoplanets
  155. Moon
  156. Life in the Universe.
  157. Moon stations
  158. Meteor showers
  159. A dizzying hypothesis
  160. Mysterious Cosmic 'Dark Flow' Tracked Deeper into Universe
  161. Perseid meteor shower 2013
  162. Another Black Hole Question
  163. Big Bang
  164. Weird
  165. Explosions in Space
  166. radio signals
  167. Super massive black holes and galaxy formation
  168. NASA's Curiosity's secret discovery after sampling Martian soil.
  169. Libration of a Tidally Locked Planet
  170. Simple Law of the Universe that would probably be trashed!
  171. Is Star Trekking just around the corner
  172. tidal friction
  173. M theory - best one so far?
  174. Location of Earth in the Universe
  175. LHC results and dark matter
  176. Is it The Moon will Eclipse the Sun within the next15/16 Hours.?
  177. Matter V Anti-matter imbalance and inflation
  178. Some Questions on Astro-Physics
  179. Another dumb one
  180. Down under people...yes you Westward
  181. Photosensitivity
  182. Inverse square law resolves Olbers' paradox
  183. mine elements from outer space?
  184. A galaxy a trillion light years away...
  185. Photons from Stars
  186. Is the universe alive !?!?!?!?!?!?!?!??
  187. Super Fast Pictures of light
  188. The Stars We See at Night
  189. Solar System Geography.
  190. The sun
  191. Interesting Things....?
  192. Return to Dumb Questions
  193. David
  194. Why is oxygen the third most abundance element on the sun?
  195. Divine Space - first big game with 'real' universe
  196. Meteorite that doesn't burn?
  197. Felix Baumgartner Jumps from about 35km. Next step?
  198. Question About The Big Bang
  199. Is the neon a poison, that overwhelming the origin of life?
  200. NASA stupidity
  201. Why the existence of the Universe does not need to be solved (image heavy)
  202. Half moon tilted lit up
  203. Stars, Milky Way, Cosmology
  204. Comets, Meteors, Asteroids
  205. Moon facts
  206. Books on the Likelihood/Nature of Extra-Terrestrial Life
  207. How did the universe get to have so many neutrons?
  208. Harvest Moon - September 29, 2012
  209. Astronomy in the Atacama Desert.
  210. Another shot from the hip by NASA? Gravel on Mars
  211. Universe or Multiverse
  212. Spectacular (once in a lifetime?) comet expected next November (2013)
  213. Huge Earth-ish planet?
  214. Missing Baryons Found?
  215. A more massive mars
  216. Clarification needed on exactly what accelerating vs constant expansion means
  217. Autumn equinox - first day of fall
  218. If Mars was closer to the sun
  219. Sirius Color Change Mystery
  220. Planets
  221. Atmospheric retention
  222. What if the moons of gas giants where closer?
  223. Venus passing in front of the sun
  224. Stellar Black Hole Creation
  225. Calculating apparent magnitude of Saturn from Rhea
  226. Big Questions About the Sun and Solar System - 10 Year Agenda For Answers
  227. Questions on my hypothetical exoplanet?
  228. Why are so different the galaxies of the HUDF picture?
  229. Science Channel - How The Universe Works
  230. Two alien planets found with twin suns
  231. Are the sun and moon nearing each other along the time ?
  232. Using the CMBR as a frame of reference.
  233. Wow!!! (Curiosity)..
  234. Could anything reverse the pull of Earth's gravity?
  235. The curious motions of venus... Can we explain it?
  236. What kind of celestial body would be best for forming life and/or complex molecules?
  237. Possibilites of life on Europa?
  238. Acid Content of the Atmosphere of Venus
  239. Is the age of the universe the same in all frames?
  240. Curiosity Rover landing at the weekend
  241. A new way of thinking about G and c. Constants?
  242. Why we need a 5th dimension to undestand the shape of the Universe?
  243. Can a practical reason be given to explain the vast interstellar distances?
  244. How does sun an other stars look from space?
  245. Southern Skies Star Party
  246. How can a Neutron Star have carbon atmosphere?
  247. Is Mizar 4 stars or 5?
  248. SETI is largely a waste of time and space?
  249. Virgin Space is doing it again
  250. How would the universe be different if π = 3?