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NASA SDO - Aurora; What Causes Them?

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Uploaded by on Jun 24, 2011

Aurora are colorful lights in the night time sky primarily appearing in Earth's polar regions. But what causes them? The culprit behind aurora is our own Sun and the solar plasma that is ejected during a magnetic event like a flare or a coronal mass ejection. This plasma travels outward along with the solar wind and when it encounters Earth's magnetic field, it travels down the field lines that connect at the poles. Atoms in the plasma interacts with atoms in Earth's upper atmosphere.

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  • Excellent video!

    

  • wow amazing 

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All Comments (30)

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  • Can anyone get me the name of the background music please! Really love them...

  • So I'm assuming that one person who dislike this video has intelligence beyond any of our understanding T_T

  • Incredible.. Does anyone know who discovered how aurora work?

  • + 1 for science!!!!

    Excellent video!!!

  • ...... an excellent and HIGHLY informative video for Scientific communication in simple language of animation.... :)

  • Cool!!

  • 1 dislike? WTF!

  • I love the beauty and power of space. Such a complex thing. Aurora is just one of many colorful unique places in space.

  • Beautiful video and very easy to understand. Well presented!

  • very very nice & comprehended

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