The Aurora (2014)

E23ea2b82db9fc04e4c8161cdaf099a1?s=47 Robert Simpson
February 06, 2014

The Aurora (2014)

A quick tour of the Solar System and a description of the Sun's connection to the Earth - and the nature and origins of the aurora.

E23ea2b82db9fc04e4c8161cdaf099a1?s=128

Robert Simpson

February 06, 2014
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Transcript

  1. None
  2. The  Solar  System  and   The  Aurora   ! Dr.

     Robert  Simpson     Oxford  University
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  7. Peppercorn

  8. 6,300,000,000  :  1

  9. 6,300,000,000  :  1

  10. Pinhead Pinhead Peppercorn Peppercorn Walnut Hazelnut Peanut Peanut 6,300,000,000  :

     1
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  12. 139 m

  13. 71  m

  14. 71  m

  15. 71  m

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  34. Carrington  Event September  1st,  1859 Aurora  seen  all  over  the

     world   Sparks  flew  from  telegraph  poles
  35. Proton  Flux 1964 1965 1966 1967 1968 1969 1970 1971

    1972 1973 Major  Solar  Flare  IntensiXes
  36. Proton  Flux 1964 1965 1966 1967 1968 1969 1970 1971

    1972 1973 APOLLO 11 12 14 15 16 17 Major  Solar  Flare  IntensiXes
  37. Proton  Flux 1964 1965 1966 1967 1968 1969 1970 1971

    1972 1973 APOLLO 11 12 14 15 16 17 Sickness Death Major  Solar  Flare  IntensiXes
  38. E=mc2

  39. Sun  converts  Hydrogen  into  Helium   ! 0.7%  of  the

     mass  turns  into  energy   ! 4  million  tonnes  are  lost  per  second       E=  mc2
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  41. 3.6× 1026 W

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  43. THE  SOLAR  WIND Protons  and  electrons   ! 400  km/s

     (1.5  million  km/hr)   ! 1.3  ×  1036  parXcles/s     ! 6.7  ×  109  tonnes/hr      
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  65. Oxygen Nitrogen

  66. Oxygen Nitrogen

  67. Oxygen Oxygen Oxygen Oxygen Nitrogen

  68. Oxygen Oxygen Nitrogen Nitrogen Oxygen Oxygen

  69. Oxygen Oxygen Nitrogen Nitrogen Oxygen Oxygen Nitrogen

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  78. Huge,  empty  and  dominated  by  the  Sun.   If  the

     earth  is  a  peppercorn,  Jupiter  is  a  walnut  and   the  Sun  is  a  beach  ball.   It  is  oben  what  we  cannot  see  (magneXsm,  UV)  that   is  important  in  astronomy. THE  SOLAR  SYSTEM
  79. Billions  of  tonnes  of  material  moving  at  millions  of  

    miles  per  hour!   Charged  parXcles  excite  molecules  in  the   atmosphere  to  create  the  colours.   An  auroral  oval  that  shrinks  and  grows  with  the  solar   wind. THE  AURORA
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  83. Today Tomorrow

  84. •http://www.gi.alaska.edu/AuroraForecast/ •http://soho.esac.esa.int/data/ •http://polaris.nipr.ac.jp/~acaurora/aurora/Tromso/

  85. rob@zooniverse.org   @orbiXngfrog   Aurora  photos!