Magnetic void

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Apollo and Starbuck encounter the magnetic void (TOS: "Lost Planet of the Gods, Part I").

The magnetic void is a space phenomenon which obscures stars and causes sensor malfunctions on ships. A ship can find itself easily lost within such a void due to these navigational hazards.

A magnetic void was described in the Book of the Word during the exodus from Kobol. Adama finds the story useful in finding the planet, where he hopes to learn more about the path of the Thirteenth Tribe (TOS: "Lost Planet of the Gods, Part II").