L’univers par HUBBLE
Le télescope spatial HUBBLE est un télescope robotisé placé sur le bord extérieur de l’atmosphère, en orbite circulaire autour de la terre à 593 km au-dessus du niveau de la mer, avec une période orbitale entre 96 et 97 minutes et à une vitesse de 28000hm/heure. Dénommé ainsi en hommage à Edwin Hubble, il a été mis en orbite le 24 avril 1990 comme projet conjoint de la NASA et de l’ESA, inaugurant ainsi le programme des grands observatoires. De forme cylindrique Hubble pèse 11 tonnes, sa longueur est de 13,2 m et son diamètre maximum est de 4,2 mètres. Le télescope peut obtenir des images d’une résolution optique supérieure à 0,1 seconde d’arc.
Je vous invite un peu chaque jour à voyager dans l’immensité de l’univers.
Nébuleuse Trifide – un berceau stellaire à 9000 années lumière.
La comète de HALLEY
Nébuleuse de l’aigle
Nébuleuse de l’anneau.
Nébuleuse d’Orion
Proto -Etoile
Je suis à chaque fois émerveillée par cette immensité ,les couleurs c’est superbe .
merci pour le voyage Tendresse .
Je me détends l’ esprit en découvrant ses photos ! je me dis que si la terre est pleine de souillures le ciel est lui est encore pur par endroit !
certes, il faut allé très loin pour découvrir toutes ces merveilles! qui existent bien!
bizzzzzzzzzz moins de poison dan ce berce
lorette!
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