The upper boundary of the ionosphere of a planet, comet, or other celestial object.
〔天文〕电离层顶
Example sentencesExamples
The dayside ionopause and ionosphere are observed to respond dramatically to solar wind pressure variations
The pressure distribution within the magnetic barrier just outside the ionopause of Venus is shown here to be similar to expected solar wind pressure variation.
Definition of ionopause in US English:
ionopause
nounīˈänəˌpôz
Astronomy
The upper boundary of the ionosphere of a planet, comet, or other celestial object.
〔天文〕电离层顶
Example sentencesExamples
The pressure distribution within the magnetic barrier just outside the ionopause of Venus is shown here to be similar to expected solar wind pressure variation.
The dayside ionopause and ionosphere are observed to respond dramatically to solar wind pressure variations