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shokabo.co.jp/.../star/molecule/orion.htm

Two Giant Molecular Clouds in Orion superimposed on the optical image. Just how big is this Giant Molecular Cloud?. www.shokabo.co.jp/.../star/molecule/orion.htm. δ Orionis. ε Orionis. ζ Orionis. The Horsehead. Orion Nebula. κ Orionis. Millimetre Map of Orion

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shokabo.co.jp/.../star/molecule/orion.htm

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  1. Two Giant Molecular Clouds in Orion superimposed on the optical image Just how big is this Giant Molecular Cloud? www.shokabo.co.jp/.../star/molecule/orion.htm

  2. δ Orionis ε Orionis ζ Orionis The Horsehead Orion Nebula κ Orionis

  3. Millimetre Map of Orion http://www.stsci.edu/~inr/thisweek1/2009/thisweek278.html

  4. 2o 8o Harry Kroto 2004

  5. 2o The Size of the Orion GMC Dimensions 2o x 2o x 8o n(H2) ~ 103 cm-3 8o Harry Kroto 2004

  6. 2o Orion 1500ly away 1o 8o Harry Kroto 2004

  7. 2o 1o 1500 x sin 1o 8o Harry Kroto 2004

  8. 2o 1o 1500 x sin 1o = 1500 x 0.0175 8o Harry Kroto 2004

  9. 2o 1o 1500 x sin 1o = 1500 x 0.0175 = 26.2 ly 8o Harry Kroto 2004

  10. 2o 1o 1500 x sin 1o = 1500 x 0.0175 = 26.2 1o ~ 25 ly 8o Harry Kroto 2004

  11. 50 ly 2o 1o 200 ly 1500 x sin 1o = 1500 x 0.0175 = 26.2 1o ~ 25 ly 8o Harry Kroto 2004

  12. 3.15 x107 sec in a year ~30x106 s

  13. 3.15 x107 sec in a year ~30x106 s 1ly ~ 3 x107 x 3 x 1010~ 1018 cm

  14. 3.15 x107 sec in a year ~30x106 s 1ly ~ 3 x107 x 3 x 1010~ 1018 cm 100ly ~ 102 x 3 x 107 x 3 x 1010~ 1020 cm

  15. 3.15 x107 sec in a year ~30x106 s 1ly ~ 3 x107 x 3 x 1010~ 1018 cm 100ly ~ 102 x 3 x 107 x 3 x 1010~ 1020 cm 1 exameter = 1018 meters

  16. 3.15 x107 sec in a year ~30x106 s 1ly ~ 3 x107 x 3 x 1010~ 1018 cm 100ly ~ 102 x 3 x 107 x 3 x 1010~ 1020 cm 1 exameter = 1018 meters and the cloud has a mass ~ 106Mo ie a million solar masses

  17. Harry Kroto 2004

  18. Harry Kroto 2004

  19. Harry Kroto 2004

  20. The Orion Constellation Betelgeuse Bellatrix Mintaka Alnilam Alnitak Flame and Horsehead Orion Nebula Rigel Saiph http://pierredutoit.blogspot.com/2010_12_01_archive.html

  21. Hot gas cloud –the famous Orion Nebula At the centre is the Trapezium Cluster of very hot new stars Harry Kroto 2004

  22. Infra red “stars” in Orion Harry Kroto 2004

  23. Left hand star in Orion’s Belt  Orionis Harry Kroto 2004

  24. The Horsehead Nebula B33 Orion ...www.fantom-xp.com

  25. Two Giant Molecular Clouds in Orion superimposed on the optical image Just how big is this Giant Molecular Cloud?

  26. http://pierredutoit.blogspot.com/2010_12_01_archive.html

  27. Harry Kroto 2004

  28. Betelgeuse Bellatrix Mintaka Anilam Alnitak Flame and Horsehead Orion Nebula Rigel Saiph

  29. Millimetre Map of Orion http://www.stsci.edu/~inr/thisweek1/2009/thisweek278.html

  30. Millimetre Map of Orion http://www.stsci.edu/~inr/thisweek1/2009/thisweek278.html

  31. Weighing an Interstellar Cloud Dimensions 2ox2ox8o n(H2) ~ 103 cm-3 Orion 1500ly away 50 ly 2o 1o 1500 x sin 1o = 1500 x 0.0175 = 26.2 ~ 25 ly NB 3.15 x107 secs in a year ~ 3x107 s 1ly ~ 3x107 x 3x 1010~ 1018 cm [50 x 50 x 200] x [1018]3 x [2 x 103] [2x1033] [6x1023] 5x105 x 1054 x 2 x 103 10 62 12 x 1056 1056 = 106 Mo 200 ly 8o Harry Kroto 2004

  32. Weighing an Interstellar Cloud Dimensions 2o x 2o x 8o n(H2) ~ 103 cm-3 Orion 1500ly away 2o 1o 1500 x sin 1o 8o Harry Kroto 2004

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