Compass on a Ringed, Earth-like Planet
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Is it necessarily a given that a compass (as they magnetically function on Earth) could be made to function similarly on an alternate, Earth-like, ringed planet?
Another way of asking: is it feasible that the magnetic attributes of another planet could be different than Earth's (possibly making an instrument like a compass nonexistent in that world) and that planet still support flora and fauna similar to Earth?
This post was sourced from https://worldbuilding.stackexchange.com/q/129650. It is licensed under CC BY-SA 4.0.
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