100h d'astronomie pour tous - avril 2009
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Genius Tour Search Engine:
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 For this exceptional event, it is expected that observations should be organized everywhere. Unusually, Effort Reduction of stray light will be made over night. |
 From Thursday 2 to Sunday 5 April, two days will be organized for students, teachers and students, then two more for families. Disclaimer : The management team of the destination has the possibility to change the opening days and hours without prior communication.  Many activities are complementary to observations of the night will be held across the globe. |