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.
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24 Open Answer Questions Dig Deeper Learn More Discuss 1 Guided Discussion &
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7. "In all this vastness--there is no hint that help will come from elsewhere to save us from ourselves. It is up to us." In your opinion, what are the three major issues we have to "save ourselves from?"
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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
