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词汇 ionosphere
释义 ionosphere
noun
 environment specializeduk /aɪˈɒn.əˌsfɪər/ us /aɪˈɑː.nəˌsfɪr/
[ C ]
the part of a planet's atmosphere in which there are many ions(= atoms or groups of atoms that have an electrical charge):
Which planets have an ionosphere?
Some sorts of plasmoid life may exist in planetary ionospheres or interstellar space.
 the ionosphere
[ S ]
the part of the earth's atmosphere, from about 60 kilometres to about 1,000 kilometres above the surface, in which there are many ions(= atoms or groups of atoms that have an electrical charge): 电离层
Altering the temperature of the ionosphere can affect the chemical reactions that produce ozone.
Microwaves are able to pass through the ionosphere to reach satellites in space.
See also
asthenosphere
the atmosphere
biosphere
exosphere
hydrosphere
lithosphere
mesosphere
stratosphere
thermosphere
troposphere
The Earth's ionosphere is caused by ultraviolet light forming ions from atoms in the atmosphere.
Studies of ionospheres give us an understanding of an atmosphere’s losses, outflows, and energy inputs.
The Earth is surrounded by a blanket of charged particles - the ionosphere.
Some electromagnetic radiation escapes from the Earth into space, whereas other types are confined by the ionosphere.
SMART Vocabulary: related words and phrases

The Earth & outer space - general words
ablate
alluvium
anti-gravity
atmosphere
atmospherically
auroral
geo-
geocentric
horizon
hydrosphere
infinite
lithosphere
lithospheric
macrocosm
mesosphere
mesospheric
microgravity
the Big Bang
underground
zero gravity

Related word


ionospheric
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