L'astro autrement

Il existe d'autres façons de découvrir le ciel et ses mystères : radioastronomie, spectrocopie, photométrie, ...

721 topics in this forum

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  1. un tout pt'Hibou

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  2. tou Be or not Be?

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  3. AFOEV

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  4. Eros

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  5. Echos de météores

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  6. recheche spectre 46p/wirtanen

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  7. M57

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