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  1. Comoving coordinates
  2. Gravity Assist and Angles
  3. What could go wrong?
  4. Enceladus probe
  5. Basic rule for the Atmospheric Reentry Time of non powered Glider Class vehicles
  6. Orbital speed behind the horizon of a BH?
  7. Question about Black Holes and singularities
  8. Magnetic reconnection, flux transfer events and atmospheric currents
  9. need help is my teory
  10. foreigner students need help
  11. Maximum Velocity in a vacuum with force applied
  12. consciousness : Questions of a layman
  13. Cosmology and Consciousness
  14. Solstice calculation problem
  15. Parallax
  16. I need your help:
  17. Big rip
  18. Where do I begin?
  19. numerical value for $delta_0$
  20. How long will 1m of space be next year?
  21. Black hole
  22. Age of the universe
  23. Speed of Light - Can it Change?
  24. Vertical Travelling taking Advantage of Earths Rotation
  25. question about Hawking radiation
  26. Inflationary Cosmology
  27. How would water behave in heavy gravity?
  28. Newton's Third Law on the Big Bang, Time Dilation of Black Holes, Black Holes Themselves, and Dark Matter Formation
  29. Brown Dwarf accretion
  30. Can dark matter be an unobservable potential energy?
  31. What Could the Matter of Dark Matter Be?
  32. The mass (x) energy modulator
  33. Dirac and Anderson
  34. Big Bang / Black Hole
  35. Observable Universe
  36. Star at the edge of the universe
  37. hawking radiation
  38. How do we know that black holes form?
  39. Question on Dark Energy
  40. Reversed Gravity?
  41. How many hairs on a Black Hole
  42. Is it possible that the gravitional force is negative after some R
  43. Black hole in uniform mass density
  44. Einstein's equations
  45. Can we go to other universe?
  46. Is Negative energy real?
  47. Why does the universe expand ?
  48. Just Coincidence?
  49. Black hole eventually turn into Whitehole ?
  50. The moon's orbit
  51. Physics Philosophy - Dark Matter
  52. Is there Dark Matter in our solar system?
  53. Galaxies moving away from us at speeds greater than the speed of light.
  54. How do I disprove our universe doesn’t have a fixed size?
  55. Need some information on the current Big Bang theories.
  56. The bottom 4.9% of a Super Massive Gravity Well - and a conservation of energy and matter.
  57. How come Light can not escape a Black hole
  58. Questions about Hubble's law
  59. The total mass of the up and down quark=7.2, and 7.2*DE=4.9
  60. The beggining of the planet orbit
  61. Passing of time in Bollzmann's entropy curve
  62. Net force of gravity in the universe, a paradox?
  63. MOND is it frame dragging?
  64. H2 as dark matter
  65. Dark Matter Technology
  66. kuiper belt ?
  67. Has the "Axis of Evil" been resolved yet?
  68. question about Hawking radiation
  69. Bianchi IX
  70. Does Dark Matter repel other dark matter?
  71. The gravitational field and optical
  72. About spacetime warping and gravity
  73. Higgs field polarity and galaxy spin
  74. When a nuetron decays, an electron shoots away at the speed of light, and also an anti-nuetrino, it too at the speed of light. What is the speed of the proton produced?
  75. How does the universe start?
  76. Bicep2
  77. Two particles traveling apart in an infinite universe
  78. Questions in astrophysics.
  79. Torque in Microgravity
  80. Tectonic Activity vs. Magnetic Field Strength
  81. Archaic Crust Theory of Continents
  82. Age of the Universe II
  83. Why is space infinite?
  84. Space and Earth boundary
  85. Orbital Path Caculations
  86. Falling "into" a blackhole, what happens ?
  87. What if we lived inside of a black hole?
  88. How do we define "space"?
  89. Is the universe leaking energy (Scientific American article)
  90. Crossing Magnetic Fields
  91. In the beginning...
  92. Planck Space
  93. What would a black hole look like turned inside out?
  94. Size of the Universe
  95. Questions about time dilation and gravity
  96. Kepler field
  97. FTL Travel causality violation?
  98. The Theory of Gravity
  99. Balance of Four forces.
  100. Just a passing thought; Teleportation, Time travel.
  101. Basic Questions
  102. Save the Universe
  103. A Global Measure on a Gravitational System
  104. A theory on the origin of the universe
  105. An alternative hypothesis to explain 'the expanding universe'...
  106. My idea about the Universe.
  107. Star formation activity and SMBH activity
  108. Does lack of Mass Create Time ????
  109. Hexagonal Storm on Saturn
  110. When there was nothing in motion?
  111. Does time expand with space?
  112. What causes Red shift?
  113. Blackhole Dark Energy
  114. Black hole reflectors?
  115. Not string theory
  116. questions about black holes, paradox at every turn
  117. Space within BackHoles
  118. Question on Gravity, Big Bang, Dark Energy and Black Holes
  119. Just a theory black holes
  120. Expansion of the cosmos - I'm confused !!
  121. My philosophy about space and time, in line with the principle of relativity (can be totally wrong)
  122. I need help with a science question
  123. Does an infinite universe have infinite matter?
  124. everything getting farther away from everything else
  125. New radiation ring around Earth
  126. Can This Be The Solution To The Baryon Asymmetry Problem?
  127. Can This Problem Be Solved?
  128. I am Asking - Is this a POSSIBLE Scenario
  129. Why is Dark Matter neglected in star formation models?
  130. How far back can we go in the age of the Universe as we see further out into space?
  131. The universe is flat, what does this mean for gravity?
  132. Mass of Black Hole
  133. PhD astronomy in Australia
  134. Is the universe a hologram?
  135. YouTube Channel for Astrophysics
  136. Reason the Universe may be seem to be expanding at an accelerated rate
  137. Mass of Universe
  138. Doppler Red SHIFT it is not all what we can measure
  139. Debate with a friend, who is correct?
  140. new furthest galaxy found
  141. Red shift dilemma.
  142. The New Cosmology
  143. Foundations of Modern Cosmology
  144. Hypothesizing the future: Astrophysics 1