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NASA's instruments detected a sudden surge of particles within the Van Allen radiation belt, forcing engineers to power down sensitive equipment.
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NASA's instruments detected a sudden surge of particles within the Van Allen radiation belt, forcing engineers to power down sensitive equipment.
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Related words
Van Allen radiation belt
Noun
(astronomy,
physics)
Either
of
two
torus-shaped
areas
of
high-energy
charged
particles
which
partly
surround
Earth,
trapped
by
its
magnetic
field.
The
areas
are
characterised
by
intense
radiation.
When
the
belts
"overload",
particles
strike
the
upper
atmosphere
and
fluoresce,
causing
the
polar
aurora.
Japanese Meaning
（天文学・物理学）地球の磁場によって捕捉された高エネルギー荷電粒子が集まった、トーラス状（ドーナツ型）の領域。これらの帯は地球の一部を取り囲み、強い放射線を放出しており、帯が過充電状態（オーバーロード）になると、粒子が上層大気に衝突して蛍光を生じ、極地でオーロラが発生する原因となる。
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