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© CNRS Images - 2008

Reference

3360

Is there a magnetic bar in the centre of the Earth?

If we observe the Earth's magnetic field, everything happens as if there were a gigantic magnetic bar at the heart of our planet running approximately along its axis of rotation, with at its ends the south pole and the magnetic north pole. But one has to look below the surface, as shown by Jean-Pierre Valet, a paleomagnetician at the Institut de Physique du Globe de Paris (Paris geophysical institute - IPGP), who tells us what is really going on under our feet.

Duration

00:03:00

Production year

Définition

SD

Color

Color

Sound

Sound

Version(s)

French

Personality(ies)

Production

Scientific referent(s)

CNRS Institute(s)

Regional office(s)

Scientific topics

CNRS Images,

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