User contributions
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- 16:46, 3 February 2015 (diff | hist) . . (-1) . . Friedman-Lemaitre-Robertson-Walker (FLRW) metric (→Problem 20: Christoffel symbols for FLRW metric) (current)
- 00:00, 27 February 2014 (diff | hist) . . (+6) . . The Milne Universe (→Problem 2: alternative derivation) (current)
- 23:59, 26 February 2014 (diff | hist) . . (-4) . . The Milne Universe (→Problem 1: the solution)
- 09:14, 26 February 2014 (diff | hist) . . (0) . . Friedman-Lemaitre-Robertson-Walker (FLRW) metric (→Problem 20: Christoffel symbols for FLRW metric)
- 18:28, 9 December 2013 (diff | hist) . . (+4) . . Energy conditions and the Raychaudhuri equation (→Energy conditions) (current)
- 18:27, 9 December 2013 (diff | hist) . . (-17) . . Energy conditions and the Raychaudhuri equation (→Problem 1: energy conditions for perfect fluid)
- 18:00, 8 December 2013 (diff | hist) . . (+58) . . Causal Structure (current)
- 17:57, 8 December 2013 (diff | hist) . . (+66) . . N File:Conf-Inflation.png (Conformal diagram for the power-law Inflation in an open Universe.) (current)
- 17:55, 8 December 2013 (diff | hist) . . (+97) . . N File:Conf-SEC.png (Conformal diagram for an open Universe filled with matter satisfying the strong energy condition.) (current)
- 17:54, 8 December 2013 (diff | hist) . . (+64) . . N File:Conf-Milne.png (Milne Universe as part of Minkowski spacetime: conformal diagram) (current)
- 17:53, 8 December 2013 (diff | hist) . . (+110) . . Causal Structure (→Problem 7)
- 17:50, 8 December 2013 (diff | hist) . . (+80) . . N File:Conf-Mink2.png (Minkowski spacetime: conformal diagram (different choice of conformal variables)) (current)
- 17:48, 8 December 2013 (diff | hist) . . (+38) . . N File:Conf-Mink1.png (Minkowski spacetime: conformal diagram) (current)
- 17:48, 8 December 2013 (diff | hist) . . (+57) . . N File:Conf-dS-open.png (The de Sitter Universe in open slicing: conformal diagram) (current)
- 17:47, 8 December 2013 (diff | hist) . . (+57) . . N File:Conf-dS-flat.png (The de Sitter Universe in flat slicing: conformal diagram) (current)
- 17:45, 8 December 2013 (diff | hist) . . (-2) . . Causal Structure (→Problem 4: alignment?)
- 17:40, 8 December 2013 (diff | hist) . . (+59) . . N File:Conf-dS-static.png (The de Sitter Universe in static slicing: conformal diagram) (current)
- 17:39, 8 December 2013 (diff | hist) . . (+25) . . Causal Structure (→Problem 2)
- 17:35, 8 December 2013 (diff | hist) . . (+59) . . N File:Conf-dS-closed.png (The de Sitter Universe in closed slicing: conformal diagram) (current)
- 17:34, 8 December 2013 (diff | hist) . . (-282) . . Causal Structure (→Problem 2)
- 17:31, 8 December 2013 (diff | hist) . . (+83) . . N File:Conf-RadDust.png (Conformal diagram for a closed Universe filled with a mixture of radiation and dust) (current)
- 17:30, 8 December 2013 (diff | hist) . . (+86) . . N File:Conf-Dust.png (Conformal diagram for a closed Universe with dominating non-relativistic matter (dust)) (current)
- 17:29, 8 December 2013 (diff | hist) . . (+89) . . N File:Conf-Rad.png (Conformal diagram for the closed Universe with dominating relativistic matter (radiation)) (current)
- 14:38, 8 December 2013 (diff | hist) . . (+55) . . Kerr black hole (→Problem 4: some more simple algebra) (current)
- 08:39, 31 October 2013 (diff | hist) . . (+23) . . Category:Horizons (→References)
- 08:36, 31 October 2013 (diff | hist) . . (0) . . Category:Horizons (→References)
- 13:47, 9 October 2013 (diff | hist) . . (-3) . . Causal Structure (minor edits)
- 13:40, 9 October 2013 (diff | hist) . . (+24) . . Composite Models (pr1: link to previous section) (current)
- 13:32, 9 October 2013 (diff | hist) . . (-24) . . Composite Models (→Problem 3: no solution)
- 13:31, 9 October 2013 (diff | hist) . . (+151) . . Simple Math (pr12 solution formatting) (current)
- 20:42, 7 October 2013 (diff | hist) . . (+293) . . Simple English (current)
- 20:26, 7 October 2013 (diff | hist) . . (0) . . Category:Horizons
- 20:25, 7 October 2013 (diff | hist) . . (0) . . Category:Horizons
- 20:25, 7 October 2013 (diff | hist) . . (+9) . . Category:Horizons
- 11:04, 26 September 2013 (diff | hist) . . (+70) . . Category:Horizons
- 20:05, 23 September 2013 (diff | hist) . . (+15) . . Category:Holographic Universe (Why is this thing with labels happening when I just fix some misprints??? damn) (current)
- 20:02, 23 September 2013 (diff | hist) . . (-1) . . Category:Holographic Universe
- 19:58, 23 September 2013 (diff | hist) . . (-1) . . Category:Holographic Universe (Undo revision 1657 by Igor (talk))
- 19:57, 23 September 2013 (diff | hist) . . (+1) . . Category:Holographic Universe
- 19:57, 23 September 2013 (diff | hist) . . (-14) . . Category:Holographic Universe
- 10:02, 2 May 2013 (diff | hist) . . (+26) . . Schwarzschild black hole (current)
- 10:01, 2 May 2013 (diff | hist) . . (+83) . . Schwarzschild black hole
- 06:26, 2 May 2013 (diff | hist) . . (-9) . . Particles' motion in general black hole spacetimes (current)
- 18:54, 1 May 2013 (diff | hist) . . (+6) . . Universe in Problems:About (current)
- 18:53, 1 May 2013 (diff | hist) . . (+17) . . Universe in Problems:About
- 18:50, 1 May 2013 (diff | hist) . . (+1,224) . . Particles' motion in general black hole spacetimes
- 08:40, 1 May 2013 (diff | hist) . . (-140) . . Particles' motion in general black hole spacetimes
- 08:35, 1 May 2013 (diff | hist) . . (+531) . . Main Page
- 08:27, 1 May 2013 (diff | hist) . . (+64) . . N Help:Editing (moved Help:Editing to Particles' motion in general black hole spacetimes: !) (current)
- 08:27, 1 May 2013 (diff | hist) . . (0) . . m Particles' motion in general black hole spacetimes (moved Help:Editing to Particles' motion in general black hole spacetimes: !)
- 08:26, 1 May 2013 (diff | hist) . . (0) . . Astrophysical black holes (current)
- 08:25, 1 May 2013 (diff | hist) . . (+33,986) . . N Particles' motion in general black hole spacetimes (General Black Holes)
- 14:12, 15 January 2013 (diff | hist) . . (+42) . . Main Page (→About)
- 13:52, 15 January 2013 (diff | hist) . . (-14) . . Gravitational Waves: scale of the phenomenon (current)
- 13:50, 15 January 2013 (diff | hist) . . (+35) . . Binary systems (current)
- 13:46, 15 January 2013 (diff | hist) . . (+33) . . Gravitational waves and matter (current)
- 13:44, 15 January 2013 (diff | hist) . . (-6) . . Transverse traceless gauge (current)
- 13:05, 15 January 2013 (diff | hist) . . (+22) . . Wave equation (current)
- 13:01, 15 January 2013 (diff | hist) . . (-2,063) . . Gauge transformations and degrees of freedom (current)
- 12:53, 15 January 2013 (diff | hist) . . (+1) . . Linearized Einstein equations (→Problem 2: Raising indices) (current)
- 12:52, 15 January 2013 (diff | hist) . . (+46) . . Motivation and symmetries / Introduction (current)
- 23:49, 19 November 2012 (diff | hist) . . (+4) . . Main Page
- 21:08, 19 November 2012 (diff | hist) . . (-2) . . Extras (current)
- 21:03, 19 November 2012 (diff | hist) . . (+42) . . CMB interaction with other components (→Problem 7) (current)
- 21:02, 19 November 2012 (diff | hist) . . (+245) . . CMB interaction with other components
- 20:46, 19 November 2012 (diff | hist) . . (+18) . . N Talk:Primary anisotropy of CMB (Created page with "No solutions! <IT>") (current)
- 20:45, 19 November 2012 (diff | hist) . . (+5) . . Statistical properties of CMB (current)
- 20:45, 19 November 2012 (diff | hist) . . (+132) . . Statistical properties of CMB
- 20:42, 19 November 2012 (diff | hist) . . (+5) . . Talk:Statistical properties of CMB (current)
- 20:42, 19 November 2012 (diff | hist) . . (+13) . . N Talk:Statistical properties of CMB (Created page with "No solutions!")
- 20:19, 19 November 2012 (diff | hist) . . (+35) . . Time Evolution of CMB (current)
- 20:16, 19 November 2012 (diff | hist) . . (+8) . . Time Evolution of CMB (→Problem 6: color of the sky)
- 20:15, 19 November 2012 (diff | hist) . . (+1) . . Thermodynamics of Black-Body Radiation (→Problem 3 total number)
- 20:12, 19 November 2012 (diff | hist) . . (+20) . . Schwarzschild black hole
- 20:10, 19 November 2012 (diff | hist) . . (+531) . . Schwarzschild black hole (→Miscellaneous problems)
- 19:51, 19 November 2012 (diff | hist) . . (+56) . . Polytropic equation of state
- 19:48, 19 November 2012 (diff | hist) . . (+3) . . Polytropic equation of state (→Problem 2)
- 19:47, 19 November 2012 (diff | hist) . . (-186) . . Polytropic equation of state
- 19:17, 19 November 2012 (diff | hist) . . (-97) . . Solutions of Friedman equations in the Big Bang model
- 17:57, 10 November 2012 (diff | hist) . . (-8) . . Cosmography
- 17:53, 10 November 2012 (diff | hist) . . (-36) . . Cosmography (→Problem 24: current values of deceleration parameter)
- 17:50, 10 November 2012 (diff | hist) . . (+9) . . Friedman equations (→Problem 26: condition $\dot X = 0$)
- 17:47, 10 November 2012 (diff | hist) . . (+16) . . Solutions of Friedman equations in the Big Bang model (→Problem 40: a "softer" version of the cosmological evolution)
- 17:44, 10 November 2012 (diff | hist) . . (-17) . . Planck scales and fundamental constants
- 17:42, 10 November 2012 (diff | hist) . . (+3) . . Friedman-Lemaitre-Robertson-Walker (FLRW) metric (→Problem 12: proper coordinates)
- 17:39, 10 November 2012 (diff | hist) . . (+5) . . Planck scales and fundamental constants (→Problem 6: gravitational radius for Planck mass)
- 17:37, 10 November 2012 (diff | hist) . . (-3) . . Planck scales and fundamental constants (→Problem 9: Planck mass in different units)
- 17:34, 10 November 2012 (diff | hist) . . (+29) . . Forest for the trees (→Problem 5: stars collisions) (current)
- 17:29, 10 November 2012 (diff | hist) . . (-4) . . Forest for the trees (→Problem 4: the cosmological setting)
- 17:28, 10 November 2012 (diff | hist) . . (+2) . . Forest for the trees (→Problem 3: a Robin Hood setting)
- 17:27, 10 November 2012 (diff | hist) . . (-11) . . Forest for the trees (→Problem 2: a down to earth setting)
- 17:21, 10 November 2012 (diff | hist) . . (-19) . . Forest for the trees (→Problem 1: the Olbers' paradox)
- 17:09, 10 November 2012 (diff | hist) . . (+19) . . Thermo warm-up (→Problem 9: Sun and entropy production) (current)
- 17:05, 10 November 2012 (diff | hist) . . (0) . . Thermo warm-up (→Problem 8: Earth and entropy production)
- 17:04, 10 November 2012 (diff | hist) . . (+15) . . Thermo warm-up (→Problem 7: person and entropy of the Universe)
- 17:01, 10 November 2012 (diff | hist) . . (+32) . . Thermo warm-up (→Problem 6: "infrared" and "ultraviolet" photon)
- 13:01, 19 October 2012 (diff | hist) . . (+20) . . Main Page (Undo revision 1115 by Igor (talk))
- 13:00, 19 October 2012 (diff | hist) . . (-20) . . Main Page (→CONTENTS)
- 11:40, 15 October 2012 (diff | hist) . . (+5) . . Time Evolution of CMB (→Problem 2: redshift)
- 11:39, 15 October 2012 (diff | hist) . . (+192) . . Thermodynamics of Black-Body Radiation
- 11:36, 15 October 2012 (diff | hist) . . (-73) . . Thermodynamics of Black-Body Radiation
- 11:31, 15 October 2012 (diff | hist) . . (-27) . . Thermodynamics of Black-Body Radiation (→Problem 5)
- 11:30, 15 October 2012 (diff | hist) . . (+5) . . Thermodynamics of Black-Body Radiation (→Problem 4)
- 11:29, 15 October 2012 (diff | hist) . . (+18) . . Thermodynamics of Black-Body Radiation (→Problem 3)
- 11:29, 15 October 2012 (diff | hist) . . (-5) . . Thermodynamics of Black-Body Radiation (→Problem 2)
- 11:26, 15 October 2012 (diff | hist) . . (+481) . . Category:Black Holes (current)
- 14:20, 14 October 2012 (diff | hist) . . (+10) . . Category:Cosmo warm-up (current)
- 14:19, 14 October 2012 (diff | hist) . . (+87) . . Category:Cosmo warm-up
- 14:14, 14 October 2012 (diff | hist) . . (+562) . . Time Evolution of CMB
- 13:44, 14 October 2012 (diff | hist) . . (+359) . . Dynamics of the Universe in terms of redshift and conformal time
- 12:46, 14 October 2012 (diff | hist) . . (-10) . . Dynamics of the Universe in terms of redshift and conformal time (→Problem 11.)
- 12:44, 14 October 2012 (diff | hist) . . (+376) . . Energy conditions and the Raychaudhuri equation
- 12:30, 14 October 2012 (diff | hist) . . (+84) . . Cosmological horizons
- 12:28, 14 October 2012 (diff | hist) . . (+417) . . Cosmological horizons
- 12:17, 14 October 2012 (diff | hist) . . (+29) . . The Milne Universe
- 12:10, 14 October 2012 (diff | hist) . . (+14) . . The role of curvature in the dynamics of the Universe
- 12:08, 14 October 2012 (diff | hist) . . (+147) . . The role of curvature in the dynamics of the Universe
- 18:52, 13 October 2012 (diff | hist) . . (+1) . . Solutions of Friedman equations in the Big Bang model
- 18:51, 13 October 2012 (diff | hist) . . (+118) . . Solutions of Friedman equations in the Big Bang model
- 18:32, 13 October 2012 (diff | hist) . . (+67) . . Solutions of Friedman equations in the Big Bang model
- 18:09, 13 October 2012 (diff | hist) . . (+1,026) . . Solutions of Friedman equations in the Big Bang model
- 17:32, 13 October 2012 (diff | hist) . . (+30) . . N Talk:ANONIMOUS (Created page with "What's with the title??? Igor.") (current)
- 17:31, 13 October 2012 (diff | hist) . . (+8) . . Category:Dark Matter (current)
- 17:29, 13 October 2012 (diff | hist) . . (+15) . . Characteristic Parameters and Scales (→Problem 10) (current)
- 17:26, 13 October 2012 (diff | hist) . . (0) . . Astrophysical black holes (→Problem 1: Newtonian collapse time.)
- 17:25, 13 October 2012 (diff | hist) . . (-28) . . Astrophysical black holes
- 17:25, 13 October 2012 (diff | hist) . . (-18) . . Kerr black hole
- 17:24, 13 October 2012 (diff | hist) . . (-26) . . Schwarzschild black hole
- 17:23, 13 October 2012 (diff | hist) . . (-20) . . Technical warm-up
- 16:59, 13 October 2012 (diff | hist) . . (+9) . . General questions (→Problem 1.) (current)
- 16:52, 13 October 2012 (diff | hist) . . (+1,530) . . Cosmography
- 16:40, 13 October 2012 (diff | hist) . . (+1) . . Energy balance in an expanding Universe (current)
- 16:40, 13 October 2012 (diff | hist) . . (+168) . . Energy balance in an expanding Universe
- 16:38, 13 October 2012 (diff | hist) . . (+336) . . Newtonian cosmology (current)
- 16:35, 13 October 2012 (diff | hist) . . (-2) . . Friedman equations (→Problem 1: derivation of Friedman equations)
- 16:35, 13 October 2012 (diff | hist) . . (-116) . . Friedman equations (→Problem 1: derivation of Friedman equations)
- 16:27, 13 October 2012 (diff | hist) . . (-2) . . Friedman equations (→Problem 26: non-relativistic state parameter)
- 16:27, 13 October 2012 (diff | hist) . . (-7) . . Friedman equations
- 18:43, 11 October 2012 (diff | hist) . . (-27) . . Expanding Universe: ordinarity, difficulties and paradoxes (current)
- 18:35, 11 October 2012 (diff | hist) . . (+1) . . Expanding Universe: ordinarity, difficulties and paradoxes (→Problem 25: Killing tensor in FLRW metric)
- 18:34, 11 October 2012 (diff | hist) . . (0) . . Expanding Universe: ordinarity, difficulties and paradoxes (→Problem 26: a particle's momentum in expanding Universe revisited)
- 18:33, 11 October 2012 (diff | hist) . . (+29) . . Expanding Universe: ordinarity, difficulties and paradoxes (→Problem 26: a particle's momentum in expanding Universe revisited)
- 18:31, 11 October 2012 (diff | hist) . . (+36) . . Expanding Universe: ordinarity, difficulties and paradoxes (→Problem 12: superluminal cosmological velocities)
- 18:28, 11 October 2012 (diff | hist) . . (+3) . . Expanding Universe: ordinarity, difficulties and paradoxes (→Problem 11: lightspeed recession)
- 18:27, 11 October 2012 (diff | hist) . . (+51) . . Expanding Universe: ordinarity, difficulties and paradoxes
- 18:25, 11 October 2012 (diff | hist) . . (+10) . . Expanding Universe: ordinarity, difficulties and paradoxes (→Problem 6: Hubble time)
- 18:25, 11 October 2012 (diff | hist) . . (-2) . . Expanding Universe: ordinarity, difficulties and paradoxes (→Problem 5: twin's paraadox)
- 18:24, 11 October 2012 (diff | hist) . . (+28) . . Expanding Universe: ordinarity, difficulties and paradoxes (→Problem 5: twin's paraadox)
- 18:22, 11 October 2012 (diff | hist) . . (+1) . . Expanding Universe: ordinarity, difficulties and paradoxes (→Problem 3: a particle's momentum in expanding Universe)
- 18:20, 11 October 2012 (diff | hist) . . (-43) . . Friedman-Lemaitre-Robertson-Walker (FLRW) metric (→Problem 19: Christoffel symbols for FLRW metric)
- 18:00, 11 October 2012 (diff | hist) . . (-9) . . Friedman-Lemaitre-Robertson-Walker (FLRW) metric (→Problem 19: Christoffel symbols for FLRW metric)
- 17:59, 11 October 2012 (diff | hist) . . (-71) . . Friedman-Lemaitre-Robertson-Walker (FLRW) metric
- 17:45, 11 October 2012 (diff | hist) . . (+33) . . Friedman-Lemaitre-Robertson-Walker (FLRW) metric (→Problem 3: FLRW metric)
- 17:43, 11 October 2012 (diff | hist) . . (0) . . File:FLRW1.png (uploaded a new version of "File:FLRW1.png": cropped) (current)
- 17:42, 11 October 2012 (diff | hist) . . (+1) . . Friedman-Lemaitre-Robertson-Walker (FLRW) metric (→Problem 3: FLRW metric)
- 17:41, 11 October 2012 (diff | hist) . . (+102) . . Friedman-Lemaitre-Robertson-Walker (FLRW) metric (→Problem 3: FLRW metric)
- 17:38, 11 October 2012 (diff | hist) . . (+37) . . N File:FLRW1.png (To a simple derivation of FLRW metric)
- 17:23, 11 October 2012 (diff | hist) . . (+2) . . Friedman-Lemaitre-Robertson-Walker (FLRW) metric (→Problem 3: FLRW metric)
- 17:21, 11 October 2012 (diff | hist) . . (+1) . . Main Page (→CONTENTS)
- 17:18, 11 October 2012 (diff | hist) . . (-16) . . Equations of General Relativity (→Problem 14: energy conservation) (current)
- 17:16, 11 October 2012 (diff | hist) . . (-14) . . Equations of General Relativity (→Problem 13: Einstein equations)
- 17:13, 11 October 2012 (diff | hist) . . (+54) . . Equations of General Relativity (→Problem 13: Einstein equations)
- 17:10, 11 October 2012 (diff | hist) . . (-2) . . Equations of General Relativity (→Problem 6: principle of least action)
- 17:08, 11 October 2012 (diff | hist) . . (-6) . . Equations of General Relativity (→Problem 5: geodesics)
- 17:07, 11 October 2012 (diff | hist) . . (+29) . . Equations of General Relativity
- 15:21, 11 October 2012 (diff | hist) . . (+40) . . Homogeneous Universe
- 15:19, 11 October 2012 (diff | hist) . . (+9) . . Homogeneous Universe (→Homogeneous and isotropic Universe, Hubble’s law)
- 15:19, 11 October 2012 (diff | hist) . . (0) . . Homogeneous Universe (→Problem 2: global isotropy)
- 15:18, 11 October 2012 (diff | hist) . . (+93) . . Category:Cosmo warm-up
- 15:16, 11 October 2012 (diff | hist) . . (+61) . . Thermo warm-up (→Problem 5: the Sun as the source of low entropy)
- 15:11, 11 October 2012 (diff | hist) . . (+114) . . Thermo warm-up
- 15:06, 11 October 2012 (diff | hist) . . (+18) . . Life on Mars? (current)
- 15:06, 11 October 2012 (diff | hist) . . (+209) . . Life on Mars?
- 14:54, 11 October 2012 (diff | hist) . . (+41) . . N Category talk:Cosmo warm-up (Created page with "No solutions at all in sections 6-8! Igor") (current)
- 14:54, 11 October 2012 (diff | hist) . . (+25) . . N Talk:Life on Mars? (Created page with "No solutions at all! Igor") (current)
- 14:53, 11 October 2012 (diff | hist) . . (+25) . . N Talk:Forest for the trees (Created page with "No solutions at all! Igor") (current)
- 14:53, 11 October 2012 (diff | hist) . . (+25) . . N Talk:Gravity (Created page with "No solutions at all! Igor") (current)
- 14:52, 11 October 2012 (diff | hist) . . (-2) . . Forest for the trees (→Problem 1: the Olbers' paradox)
- 14:51, 11 October 2012 (diff | hist) . . (+4) . . Forest for the trees (→Problem 1: the Olbers' paradox)
- 14:50, 11 October 2012 (diff | hist) . . (+144) . . Forest for the trees
- 14:42, 11 October 2012 (diff | hist) . . (+23) . . Gravity (current)
- 14:39, 11 October 2012 (diff | hist) . . (+8) . . Gravity (→Problem 1: Doppler effect with constant acceleration)
- 14:39, 11 October 2012 (diff | hist) . . (+622) . . Gravity
- 14:23, 11 October 2012 (diff | hist) . . (+5) . . Category:Dynamics of the Universe in the Big Bang Model (current)
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