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Jedidah Isler first fell in love with the night sky as a little girl. Now she's an astrophysicist who studies supermassive hyperactive black holes. In a charming talk, she takes us trillions...
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From: TED
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| Time: 04:20 | More in Science & Technology |
from Uploads by YouTube Help http://www.youtube.com/watch?v=XzZJuEDQ1a0&feature=youtube_gdata
