<div id="ooyalaplayer" style="width: 800px; height: 450px;"></div><div style="display:none;" id="kalturavideoplaceholder">kalturavideoplaceholder</div><div><div><script src="https://apis.google.com/js/platform.js"></script><div class="g-ytsubscribe" data-channel="BusinessInsider" data-layout="full" data-count="default"></div></div></div><p class="embed-spacer"></p><p>Astronomers have some new insight into the activity of centaurs, giant comets that could have a devastating impact if they hit the Earth's surface.&#xa0;</p><p><em>Produced by <a href="http://www.businessinsider.com/author/justin-gmoser" target="_blank">Justin Gmoser</a> and <a href="http://www.businessinsider.com/author/jessica-orwig" target="_blank">Jessica Orwig</a>.&#xa0;</em></p><p><strong>Follow BI Video: </strong><a href="https://www.facebook.com/BusinessInsider.Video" target="_blank">On Facebook</a><strong>&#xa0;</strong></p><p><strong>&#xa0;</strong></p>

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These giant comets could be on a collision course with Earth

kalturavideoplaceholderAstronomers have some new insight into the activity of centaurs, giant comets that could have a devastating impact if they hit the Earth's surface.&#xa0;Produced by Justin Gmoser and Jessica Orwig.&#xa0;Follow BI Video: On Facebook&#xa0;&#xa0;

kalturavideoplaceholderAstronomers have some new insight into the activity of centaurs, giant comets that could have a devastating impact if they hit the Earths surface. xa0Produced by Justin Gmoser and Jessica Orwig.

These giant comets could be on a collision course with Earth

Justin Gmoser,Jessica Orwig

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