100:00:05,980 --> 00:00:07,920A daring mission200:00:07,950 --> 00:00:11,680to reveal secrets of oursolar system's distant past...300:00:11,720 --> 00:00:14,650Asteroids are actually tracersof our history.400:00:14,680 --> 00:00:18,080And help safeguard our future.500:00:18,120 --> 00:00:20,580Asteroids might strikethe planet.6
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