Post on 15-Jun-2015
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Philippe JeanjacquotKandilli Observatory
Monday the 25th of may 2009
Philippe JeanjacquotKandilli Observatory
Monday the 25th of may 2009
We have captured Auroras Borealis !
Philippe JeanjacquotKandilli Observatory
Monday the 25th of may 2009
We have captured Auroras Borealis !
3 Stories !
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 !
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 !
1870 Tromholt: Found a link between the auroras frequency and the solar spots.
1868 Angstrom: Establish the auroras spectrum.
We have captured Auroras Borealis !
Frequency auroras card made by Hermann Fritz (1881)
We have captured Auroras Borealis !
Gilbert 1600
We have captured Auroras Borealis !
Faraday 1821 Crookes 1879 Roentgen 1895
We have captured Auroras Borealis !
The birkeland’s
terrella
We have captured Auroras Borealis !
Kristian Birkeland (1896)
We have captured Auroras Borealis !
We have captured Auroras Borealis !
We have captured Auroras Borealis !
Comparison between the
birkeland’s terrella and the reality
We have captured Auroras Borealis !
Confirmé seulement plusieurs années plus tard (ici en 1985)
Crédit: Dynamic Explorer, NASA
We have captured Auroras Borealis !
Crédit: Dynamic Explorer, NASA
Crédit: Dynamic Explorer, NASA
We have captured Auroras Borealis !
Crédit: Agence spatiale japonaise
We have captured Auroras Borealis !
Crédit: http://spaceweather.com/
We have captured Auroras Borealis !
Crédit: Dynamic Explorer, NASA
We have captured Auroras Borealis !
How do the auroras appear?
We have captured Auroras Borealis !
ON A CAPTURE DES AURORES POLAIRES !
A terrella in our school !
We have captured Auroras Borealis !
Crédits Jean Lilensten, LPG
We have captured Auroras Borealis !
We have captured Auroras Borealis ! Vacuum bell with
Terrella
High voltage power supply.
Vacuum pump
We have captured Auroras Borealis !
We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de face
SECURITY
High voltage
vacuum
Magnetic field
Radiations
observations
We have captured Auroras Borealis !
Vidéo0.mpg
We have captured Auroras Borealis !
Size of the rings according to the voltage
We have captured Auroras Borealis !
4) Modification de paramètres.
-La tension-
Auroras rings
We have captured Auroras Borealis !
Stellar jets
We have captured Auroras Borealis !
Van Allen belts
We have captured Auroras Borealis !
We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de face
Uranus auroras
Uranus
Vue de profil
Vue de face
Solar system simulationWe have captured Auroras Borealis !
We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de face
Different kind of spheres
We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de face
• -Different gaz-
We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de face
5°) Principales contraintes rencontréesLeak problems with the vacuum
We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de face
Experiment to study plamas science
We have captured Auroras Borealis !
Uranus
Vue de profil
Vue de faceOur experiment
source Wikipédia et « du soleil à la Terre » de Jean Lilensten
Galery
We have captured Auroras Borealis !
We have captured Auroras Borealis !
We have captured Auroras Borealis !
We have captured Auroras Borealis !
ON A CAPTURé DES AURORES POLAIRES !
Contests and exibitions
ON A CAPTURé DES AURORES POLAIRES ! Science week in our school
ON A CAPTURé DES AURORES POLAIRES ! C’Génial contest in Paris
ON A CAPTURé DES AURORES POLAIRES ! Our experiment in a suitcase…
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: philippe.jeanjacquot@gmail.com
We have captured Auroras Borealis !