The meteor exploding in the atmosphere

Meteors frequently fall through Earth's atmosphere. Most often they explode high in the atmosphere and do not affect the surface of the Earth, but occasionally they may strike the ground. Most are small and do little damage.

The colonists utilize meteoric ore as a resource. ("Genesis")

A large meteor burns through the atmosphere over Terra Nova, letting off an EMP and knocking out all their technology. It proceeds to explode and does significant damage to the ground below. ("Nightfall")

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