Why Doesn T Venus Have A Magnetic Field
Camila Farah
One of the leading theories to explain why venus doesn t have a magnetic field is to do with plate tectonics.
Dissociating neutral particles into oxygen and hydrogen ions. In part because of its slow rotation 243 days and its predicted lack of internal thermal convection any liquid metallic portion of its core could not be rotating fast enough to generate a measurable global magnetic field. However it does have a very slight magnetic field which is generated by the interaction of the solar wind and currents in the upper atmosphere. The assumption is that venus does not have a similar core complex.
Venus s slow rotation is the reason behind its negligible magnetic field. Mercury has a small magnetic field and its a lot closer to the sun than venus earth has a magnetic field and its farther away from the sun than venus. Why doesn t venus have a magnetosphere. Here i examine the hypothesis that this absence is due to venus s also lacking plate tectonics for the past 0 5 b y.
According to a new study conducted by an. Venus is interesting because it doesn t have a dynamo core like the earth does which means it doesn t generate its own magnetic field like earth does. Why doesn t venus have a magnetic field. Venus and earth have similar radii and estimated bulk compositions and both have an iron core that is at least partially liquid.
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However despite these similarities venus lacks an appreciable dipolar magnetic field.
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