Near Earth Object Planetary Defence

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If Jupiter fails to protect us from an extinction level comet is there anything we can do to protect ourselves?

Observatories and an army of astronomers search the skies 24 hours a day hunting for comets and asteroids that threaten a planet killing event.

Clip taken from the Naked Science documentary “Comets”.

Watch it here – https://youtu.be/ggwX_uZW3i4

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