Science - Quiz 20 Flashcards
Ionosphere; Magnetosphere
the extremely powerful radiation that comes from deep space
cosmic rays
normal atmospheric pressure at sea level
1013 (millibars)
on the side away from the sun Earth’s magnetic field stretches out to form the…
magnetotail
doughnut-shaped regions of charged particles encircling the equator
Van Allen (radiation belts)
this term refers to either of the two locations where an object’s magnetism is located
pole
a special state of matter made of a mixture of electrons and positive ions
plasma
the region of the earth’s magnetic field that is influenced by the solar wind
magnetosphere
the stream harmful, charged particles sent out by the sun
solar wind
how the ionosphere affects radio communications
it reflects radio waves to increase their range
why do auroras only occur at high latitudes?
charged particles enter the atmosphere only near the magnetic poles