See the asteroid trapped in Earth’s orbit


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Source: RawStory – PBS

Scientists have discovered what they call a “Trojan” asteroid, one trapped in the earth’s orbit and circling the sun at the same rate as our planet. Scientists say that it’s been there for at least 10,000 years — not long, in solar system time.

Watch a clip from PBS NewsHour below, explaining the asteroid. Embedded via NewsHour.

Watch the full episode. See more PBS NewsHour.

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