- Auroras are the most visible manifestation of the Sun’s effect on Earth
- Normally, the main region for this impressive display is the ‘auroral oval’, which lies at around 65-70 degrees north or south of the equator, encircling the polar caps
- However, auroras can occur at even higher latitudes. One type is known as a theta aurora because seen from above it looks like the Greek letter Θ (theta)
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