Perséides : une pluie d'étoiles pour la fin de semaine!

Perséides : une pluie d'étoiles pour la fin de semaine!

Soit cinq fois moins que certaines années dans l'hémisphère Nord qui peut espérer repérer environ 100 à 120 étoiles filantes par heure au moment du pic.

Du 10 au 14 août, elles traverseront notre atmosphère et seront observables chaque soir à partir de 22h30.

Si toutefois l'observation vous tente et que vous êtes novices en matière de ciel et d'étoiles, faites vous aider par une application.

Mais d'où viennent ces étoiles filantes? Il s'agit parfois de morceaux de comète pas plus gros qu'un petit pois.

Briton freed after six years describes life as al Qaida hostage
The 42-year-old said his captors treated him better after he adopted Islam, giving him clothes, food and medication. He added that his captors thought that US President Donald Trump would draw more Muslims to fight against the West.

La perturbation de la veille s'évacuera avec donc un ciel plus dégagé. Le meilleur moyen de les observer est de trouver un endroit isolé loin de toute pollution lumineuse.

Avis aux passionnés d'astronomie et aux amateurs de grand spectacle.

L'Observatoire royal de Belgique (ORB), à Uccle, s'est vu contraint d'annuler la troisième édition de sa "Nuit des étoiles", qui devait avoir lieu ce mercredi soir, en raison de conditions météorologiques défavorables à l'observation du ciel. Néanmoins, les autres émerveilleront encore sans faute les yeux des grands comme des petits. "Mais c'est dans la nuit de samedi à dimanche qu'elles seront les plus nombreuses." .

Notez donc bien, les Perséides seront visibles à leur maximum dans la nuit du samedi 12 au dimanche 13 août! . Suivra un ciné-concert sur les trésors des débuts du cinéma. Tentez de les observer dès ce week-end, et toute la semaine prochaine. Selon Sud Ouest, "Les Perséides peuvent être observées du 17 juillet au 24 août". L'activité sera annulée en cas de mauvais temps. Les constellations seront au programme et deux astronomes de la Société Astronomique de Liège seront présents pour vous répondre à toutes vos questions.

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