= Terrella
{wiki=Terrella}
Terrella is a term that can refer to a couple of different things, depending on the context. 1. **Terrella (Geophysical Experiment)**: In scientific contexts, a terrella is a small, spherical model that represents Earth or other celestial bodies, used to study magnetism and atmospheric phenomena. Experiments involving a terrella often simulate Earth's magnetic field and its interactions with charged particles, providing insights into space weather and magnetospheric dynamics.
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