jeudi 14 novembre 2013

Les 4 comets de l'heure !!





http://spaceweathergallery.com/indiv_upload.php?upload_id=89311 

Two Comets to Fly By Mercury

Nov. 15, 2013:  What are the odds? On Nov. 18th and 19th not one but two comets will fly by the planet Mercury.

"This is a unique coincidence," says Ron Vervack an astronomer at the Johns Hopkins University Applied Physics Lab and a member of the science team for NASA's MESSENGER spacecraft, "and a golden opportunity to study two comets passing close to the sun.” 

suite/source:


'Old Faithful' Comet Encke Makes Appearance in November Night Sky



À voir:
https://drive.google.com/file/d/0B8mKTtGNI0F4VVFPcHlya3JXMzg/edit?usp=sharing

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