Will There Ever Be a Way for Us to Stop Comets?

In this documentary, we explore the dual nature of comets. Are they the "watering holes" of the universe that delivered our oceans and organic building blocks, or are they planetary assassins capable of 1-trillion-ton TNT impacts? You can now become a History Hit member right here on YouTube! Join for access to a new exclusive documentary every week, and access to over 160+ of our documentaries presented by world renowned historians like Dan Snow, Eleanor Janega, Tristan Hughes, Mary Beard, Matt Lewis and more.

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