BEYOND THE ATMOSPHERE.
What is beyond the atmosphere?
Earth has a magnetic field that extends tens of thousands of kilometers into space and shields Earth from most of the solar wind, a stream of particles emitted by the Sun. Farther out, at a mean distance of about 248,400 mi (400,000 km), is Earth's only natural satellite, the Moon. ...
Can you have an atmosphere without a magnetic field?
Say we were to somehow terraform Mars for habitation. We could warm it up and give it an Earth like atmosphere and a magnetic field to protect it from solar wind, but would the atmosphere stick around? My intuition tells me, unfortunately, no.Oct 2, 2020
How far out does Earth's magnetic field extend?
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The bullet shaped magnetic bubble formed by the terrestrial magnetic field lines is called the Earth's magnetosphere. The magnetosphere extends into the vacuum of space, on average, from approximately 60 000 kilometres sunward, and trails out more than 300 000 kilometres away from the Sun in the magnetotail.
Where is the magnetic field in the atmosphere?
ionosphere
Currents in the ionosphere and magnetosphere
Electric currents induced in the ionosphere generate magnetic fields (ionospheric dynamo region). Such a field is always generated near where the atmosphere is closest to the Sun, causing daily alterations that can deflect surface magnetic fields by as much as one degree.
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