NASA
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How do we respond when we detect an asteroid that could pose a threat to Earth?
Follow the story behind a recent real-world test in our newest documentary, Planetary Defenders: This Is Not an Exercise, now streaming for free on NASA+. go.nasa.gov/4AUCQ3Z
Follow the story behind a recent real-world test in our newest documentary, Planetary Defenders: This Is Not an Exercise, now streaming for free on NASA+. go.nasa.gov/4AUCQ3Z
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