View Full Version : Space/Astronomy Questions and Answers

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  1. Size and mass of elementary particles
  2. Equation for solar glare?
  3. Estimating the stellar mass of an SDSS galaxy from its colors - how?
  4. Elliptical galaxies and globular clusters
  5. Question about planetary rings
  6. How much gravity can Humans stand?
  7. I pose a question (Gravity & Space)
  8. Crossroads in space; where do we put them?
  9. What would Earth be like?
  10. Earths atmosphere on Mars
  11. Titans atmosphere
  12. How fast was Curiosity moving when it deployed it's hypersonic parachute?
  13. Could forest planets be a reality?
  14. Gravitational effect of a star on a planet
  15. Maybe energy can be created !
  16. The Stability of Alpha Centauri A
  17. Can a small rocky planet have rings?
  18. Hyberbolic bodies passing though the inner solar system larger than one kilometer
  19. Have humans ever observed 2 stars crashing?
  20. Question about the Solar Nebula Hypothesis...
  21. Question on Bessel's measuring the distance to 61 Gygni
  22. Can a gas giant's reflected sunlight warm its moons?
  23. A spare MMRTG?
  24. Rogue planet habitability
  25. Relativistic Eclipse: Can Relative Motion Hide Two Civilizations From Each Other?
  26. Earth's formation and original water content
  27. Early Earth's polar Islands / Continents
  28. Distances inside black holes
  29. When is Now?
  30. HR-layer map of the galaxy
  31. Is there a google equivalent just for astronomy(universe) observation data?
  32. life on extreme planets
  33. Why don't we know how far U Geminorum is?
  34. Question about Blackholes from a non-physicist
  35. Stabilizing Earth's axis tilt by the moon
  36. A Question of Timing
  37. Between here and the centre of our galaxy....question
  38. Going faster in a vacuum
  39. Table of elements - energy needed to disassociate electrons and protons?
  40. What are the distances between the three stars of Alpha Centauri?
  41. Making the universe look younger
  42. Can life exist in this environment?
  43. 24 Hour Day
  44. Closed universe question
  45. View of point of umbra
  46. Celestial coordinates (x,y,z)
  47. Origin of meteor showers
  48. Decompression of Neutronium
  49. Are rings tidally locked?
  50. What determines the Earth's 67,000mph speed?
  51. What if the Sun was hit by a rogue planet?
  52. question about the comet that passed through the Sun...
  53. pressure system effects on a complex plasma form expression
  54. The Epsilon Indi System
  55. If Venus were to collide with the Earth...
  56. Volume Of A Sphere Question
  57. Spaceship 2: Why not Fly Back?
  58. Can we use Sunlight to take better photos of faint objects in space?
  59. Who said 'the bunny girl' line.
  60. time out there
  61. accerating expansion and objects far far away
  62. Double Planet
  63. Solar reflectors to focus sunlight where we want it
  64. Can Anybody Give Me This Moon's Real Idenity?
  65. What are gravity wave detectors looking for?
  66. Falling Into (De-Orbiting?) A Hyper-massive Object Question.
  67. Is the following how Earth would appear viewed from the Surface of Mars?
  68. Delta IV Heavy vs Falcon Heavy Mass to Orbit
  69. Why do we have to have Black Holes?
  70. Gravity waves and naked ear
  71. Could you see Earth from Jupiter?
  72. Launching Large Objects, Is it possible?
  73. Could planets around short lived stars have life?
  74. What is the Cosmic Microwave Background Radiation?
  75. Moving the Earth (out from the expanding Sun)
  76. Saturn's opposition surge.
  77. General public's misconceptions about astronomy
  78. Could there be rocky Earth Like planets, in other star systems, way older than Earth?
  79. Cross section and grain size!!
  80. Rayleigh scattering!
  81. Accelerating Expansion of Space
  82. Adventures of an Armchair Astronaut
  83. Can giant solid planets exist?
  84. Lagrange point with a mass, does it create baby L-points?
  85. Dark energy question.
  86. Seeing the future ?
  87. Methods to detect planets which have experienced catastrophic events
  88. Life Under a Red Dwarf Star
  89. Luminous properties of subatomic particles
  90. Gravity assist/slingshot maps and schedules, do such exist?
  91. I created a planet
  92. Earth's axial tilt and the shadow from the Sun
  93. Help me determine what this is
  94. how do we know the universe is not rotating
  95. Planet without life and rich in oxygen
  96. proton charge radius
  97. Why Such Poor Resolution on Moon Close-ups?
  98. Converting B - V or V - I extinctions to visual magnitude at eyepiece
  99. Best current extinction maps
  100. Does the amount of dark energy increase as the universe expands?
  101. Precession of nearby binary planets
  102. Will the gravity of Kepler-62e (1.6 x Earth) be stronger than Earth's?
  103. Expanding universe- without a big bang?
  104. Change in the Sun's heat & color?
  105. Questions About Our Sun.
  106. Planet with oceans of alcohol
  107. Why does Venus have an atmosphere?
  108. Earth's magnetic field / dynamo
  109. How to pronounce Mangalyaan and other Asian spacecraft names
  110. Voyager "Space Sounds" radio noise from the planets - is it completely legitimate?
  111. How much of a placeholder - Dark Matter and Dark Energy?
  112. Life around pulsars
  113. Doppler effect or relativity?
  114. The new explain of Fermi paradox
  115. Earliest possible life in the Universe?
  116. what do you guys think about the alien?
  117. Why don't probes fly closer to planets and moons?
  118. Same equipment for radio telescope, radio communication, radar?
  119. Please explain the following? [All of Physics]
  120. How much energy is there in the universe?
  121. neutrino interaction with matter
  122. Densest exoplanet found to date (and how dense can a planet really get?)
  123. Three Neutrino Questions
  124. Angular Momentum and Axis Stabilisation
  125. Why are there so few brown dwarfs?
  126. Mars atospheric loss
  127. Home solar panels
  128. Black hole
  129. Is that Proxima Centauri?
  130. Olympus mons caused by opposite impactor?
  131. Big Asteroid
  132. Brown Dwarf questions
  133. ferrous Mars
  134. Will I live to see a biosignature (or an exomoon)?
  135. How long would it take for a manned craft to reach Jupiter's moons?
  136. string theory
  137. Could life evolved on a world with little water?
  138. Black Holes, Entropy, Hawking radiation
  139. How will Humans survive on Mars
  140. Relativistic speeds and the Higgs field
  141. Astrophotography image processing
  142. Half Life of Observable Universe
  143. Majorana Particle dark matter
  144. frozen used to be liquid in space
  145. Formation of SuperJupiters
  146. but wouldn't I appear to being going faster than light to me?
  147. Why must galaxies form through mergers?
  148. Force of charge
  149. The other half life for the Universe
  150. STEREO Behind COR1 diff images indicating emanations from beyond the Sun?
  151. the ticking of time when not in motion
  152. Main Sequence to Red Giant
  153. Binary Systems similar to Alpha Centauri
  154. question about big bang theory.
  155. He3 resources of Solar System
  156. untangling entanglement
  157. are we living inside a black hole ?
  158. Pulsars and quasars mentioned together
  159. How far will Voyager 1 have travelled 264 years from now?
  160. Galaxy redshift map
  161. Quantum Questions
  162. Breakdown of star percentages (Beyond main sequence)?
  163. Intrinsic redshift in O-type stars?
  164. Quad gravitational lenses as projections of a tetrahedron?
  165. why dark matter necessary in galaxy formation ?
  166. Assuming black holes contain new universes, any hypotheses on time flow?
  167. Newbie Question about something I saw
  168. Could Earth's Moon Have a Moon That Was Visible From Earth?
  169. cmbr getting cooler
  170. 3d printing in space
  171. Jovian Slingshot Effect Question.
  172. Input Needed for Sci Fi Novel
  173. What Would Happen If Much of the Solar System "Disappeared"?
  174. Voyagers Time dilation?
  175. Would Mars have a thicker atmosphere if it were closer to the sun?
  176. Probe To Pluto Question.
  177. what is 'dust' and 'gas'
  178. Apollo Lunar Module
  179. Rotation of the galaxy
  180. Must it be gravity that holds together galaxies?
  181. I need a sciencey source
  182. Redefining habitable zones
  183. Why is Earth the densest planet?
  184. Why does lightning run in a channel?
  185. What is motion?
  186. Atmosphere blown off a planet
  187. Ionized Hydrogen in the Intergalactic Medium
  188. Does gravity get obstructed by matter?
  189. How large does Earth appear in the Lunar sky?
  190. Gravity and smelting
  191. a doubt about black hole
  192. Distinction between real and virtual particles
  193. Questions about dark matter
  194. How smooth is Earth?
  195. Warping space without negative energy, exotc matter, time paradoxes
  196. Can planets form with large stars?
  197. Ten, a hundred and a thousand exoplanets
  198. Calculating original cloud abundances in v.old OC dex measures
  199. flashing stationary light
  200. Sigma levels or error probability
  201. Appropriate statistical test(s) for this situation?
  202. Rotation curve of planets?
  203. Question about gravity
  204. Planetary alignments in the upcoming centuries
  205. Are dark matter and baryonic matter distributed proportionally?
  206. Can an exomoon be more massive than Earth
  207. Giant collision on a planet
  208. Inverted view of Earth from the Moon's south pole
  209. one starship, 2 cameras.
  210. Cosmic Microwave Background Radiation
  211. Mass/energy ^ ?
  212. Neutrino flux from stars (calculation check!)
  213. If a comet hit the Earth
  214. How do light sails work if photons have no mass?
  215. gravity inside a hollow sphere
  216. Multiple Star systems
  217. Color adjustment for narrowband nebula filter?
  218. Is the Higgs field affected by gravity
  219. Mars molten core
  220. Habitable exomoon
  221. Formation of 'primordial' meterorites
  222. Density of a brown dwarf
  223. ISS and another sat tonight
  224. Galactic cirrus emission maps
  225. eclipse seen from our moon
  226. Earth Planetary Formation Question.
  227. Most accurate planet information?
  228. Good Intro to GR book?
  229. Effect of low gravity of moon on colonists
  230. Pale Blue Dot Rainbow
  231. A Faster or Slower Rotating Moon
  232. Air Pressure vs. Gravity
  233. Post-Higgs discovery physics
  234. What phenomena might result from the merger of two black hole accretion discs?
  235. What causes gas to "clump" in space - re: star birth
  236. Role of Coriolis Force initiating spiral spin?
  237. Lunar Gravity
  238. Super Earth with breathable atmosphere
  239. Cosmological Principle - homogeneous versus isotropic
  240. Is the Oort cloud really a shell?
  241. question about experimental measurement of the speed of light...
  242. "GRAND" reversal?
  243. Earth radioactivity
  244. Speed of Light
  245. Question about Detecting Extrasolar
  246. unknown belt across the sky
  247. Sirius / Sun binary relationship
  248. Are gravitational wave astronomy findings useful to other exact sciences?
  249. cosmological constant
  250. Space elevator question