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It's been a big week in space, from the launch of Europe's prototype IXV minishuttle to the splashdown on SpaceX's robotic Dragon cargo capsule. |
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On Feb. 14th, 1990, the Voyager 1 probe snapped an image of Earth. The probe was more than 4 billion miles away at the time. Druyan, Carl Sagan's co-author and widow, talks about how impactful the image is on humanity. |
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