Chapter 10
Glossary
of terms.
Short definitions of the terms used in the book — drawn from science, photography and geography.
AAurora
CCME
EEquinox
FFjord
IInfinity focus
JJPEG
KKp index
RRAW
SSolar maximum
TThermal
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Kp index
A general index used in aurora forecasting, graded from 0 to 9. The 'K' index measures variations in the Earth's magnetic field. 0–1 is calmest; 5 and above means a geomagnetic storm.
Related terms
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#kp-endeksi