PréSentation Aurores Kandilli Observatory
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Transcript of PréSentation Aurores Kandilli Observatory
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Philippe JeanjacquotKandilli Observatory
Monday the 25th of may 2009
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Philippe JeanjacquotKandilli Observatory
Monday the 25th of may 2009
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We have captured Auroras Borealis !
Philippe JeanjacquotKandilli Observatory
Monday the 25th of may 2009
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We have captured Auroras Borealis !
3 Stories !
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1582-1598 Tycho Brahé: Realised the first graph of auroras annual number
1716-1732 Celsius: Found than when the auroras borealis appears, the needle of the compass change of direction .
We have captured Auroras Borealis !
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1829-1830 Hansteen: Measurement of the auroras height with triangular method.
1817 Jean Baptiste Biot: study of the auroras polarization.
We have captured Auroras Borealis !
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1870 Tromholt: Found a link between the auroras frequency and the solar spots.
1868 Angstrom: Establish the auroras spectrum.
We have captured Auroras Borealis !
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Frequency auroras card made by Hermann Fritz (1881)
We have captured Auroras Borealis !
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Gilbert 1600
We have captured Auroras Borealis !
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Faraday 1821 Crookes 1879 Roentgen 1895
We have captured Auroras Borealis !
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The birkeland’s
terrella
We have captured Auroras Borealis !
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Kristian Birkeland (1896)
We have captured Auroras Borealis !
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We have captured Auroras Borealis !
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We have captured Auroras Borealis !
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Comparison between the
birkeland’s terrella and the reality
We have captured Auroras Borealis !
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Confirmé seulement plusieurs années plus tard (ici en 1985)
Crédit: Dynamic Explorer, NASA
We have captured Auroras Borealis !
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Crédit: Dynamic Explorer, NASA
Crédit: Dynamic Explorer, NASA
We have captured Auroras Borealis !
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Crédit: Agence spatiale japonaise
We have captured Auroras Borealis !
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Crédit: http://spaceweather.com/
We have captured Auroras Borealis !
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Crédit: Dynamic Explorer, NASA
We have captured Auroras Borealis !
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How do the auroras appear?
We have captured Auroras Borealis !
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ON A CAPTURE DES AURORES POLAIRES !
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A terrella in our school !
We have captured Auroras Borealis !
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Crédits Jean Lilensten, LPG
We have captured Auroras Borealis !
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We have captured Auroras Borealis ! Vacuum bell with
Terrella
High voltage power supply.
Vacuum pump
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We have captured Auroras Borealis !
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We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de face
SECURITY
High voltage
vacuum
Magnetic field
Radiations
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observations
We have captured Auroras Borealis !
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Vidéo0.mpg
We have captured Auroras Borealis !
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Size of the rings according to the voltage
We have captured Auroras Borealis !
4) Modification de paramètres.
-La tension-
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Auroras rings
We have captured Auroras Borealis !
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Stellar jets
We have captured Auroras Borealis !
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Van Allen belts
We have captured Auroras Borealis !
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We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de face
Uranus auroras
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Uranus
Vue de profil
Vue de face
Solar system simulationWe have captured Auroras Borealis !
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We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de face
Different kind of spheres
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We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de face
• -Different gaz-
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We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de face
5°) Principales contraintes rencontréesLeak problems with the vacuum
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We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de face
Experiment to study plamas science
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We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de faceOur experiment
source Wikipédia et « du soleil à la Terre » de Jean Lilensten
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Galery
We have captured Auroras Borealis !
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We have captured Auroras Borealis !
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We have captured Auroras Borealis !
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We have captured Auroras Borealis !
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ON A CAPTURé DES AURORES POLAIRES !
Contests and exibitions
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ON A CAPTURé DES AURORES POLAIRES ! Science week in our school
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ON A CAPTURé DES AURORES POLAIRES ! C’Génial contest in Paris
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ON A CAPTURé DES AURORES POLAIRES ! Our experiment in a suitcase…
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Comenius : http://isheyevo.ens-lyon.fr/eaae/groupspace/european-sun/workshops/an-polar-light-in-our-schools
If you need more informations please contact me: [email protected]
We have captured Auroras Borealis !