aurora
TRANSCRIPT
Auroras, sometimes called the northern and southern (polar) lights or aurorae
(singular: aurora), are natural light displays in the sky, usually observed at night,
particularly in the polar region.
Typically occur in the ionosphere.
Also referred to as polar auroras.
Sun emits charged particles
Particle form Solar Wind Solar Wind being captured by Earth’s
magnetosphere
Particles trapped in Van Allen Belts drawn up to
the Earth’s magnetic poles
The excited electrons emit energy in form of
light AURORA
• Poleward arcs.
• Theta aurora and Dayside arcs.
• Flickering aurora, Black aurora and Subvisual red arcs.