A Pale Blue Dot: The Ultimate Earth "selfie..."
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A Pale Blue Dot was written in 1990 by Carl Sagan in response to a NASA photograph that he requested be taken as Voyager I, in February 1990, was leaving our solar system. Voyager I turned and took the "ultimate Earth selfie" showing Earth as a tiny speck of blue in a vast, scattered light rays. Stop for a moment before beginning the lesson and go to this link to see the actual photo.
7. "... There is no hint that help will come from elsewhere to save us from ourselves. It is up to us..." How do you think we are doing in this effort to "save ourselves?" Think about what is going on in the world today and include it in your response.
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TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
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- Video created by Joel Somerfield
- Lesson Plan created by Kim Preshoff
