Glossary of Solar Terrestrial Terms
A-B|
C|
D|
E|
F|
G|
H|
I-J|
K|
L|
M|
N|
O|
P-Q|
R|
S|
T|
U|
V|
W|
X-Y|
Z|
X Class Flare
Flares which have a particular range of energy output of X ray radiation. X class flares are
very energetic events which will produce short wave fadeouts on HF sky wave circuits
with daylight sectors.
X rays
Electromagnetic waves of wavelength 0.001 to 1 nm. X rays are emitted during solar flare activity
and ionise the D region causing increased absorption of HF radio waves causing daylight fadeouts.
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Educational