The intensity and direction of that field changes ... and if an eel has a magnetic map and it's able to detect where it is, then it can adjust accordingly during its migration." ...

They made the maps using a technique he devised called synchrotron intensity gradient (SIG) mapping, which relies on radio observations to work out which way a cluster’s magnetic field points at a ...

It also combines a Stokes polarimeter, which images other spectral information such as coronal line intensity ... dimensional map of the strength and direction of the coronal magnetic field.

Scientists at NASA are closely monitoring a vast region of weakened magnetic intensity—known as the South Atlantic Anomaly (SAA)—due to the unique challenges it poses for satellites.

However, the exact nature of this 'map' has been the subject of ongoing ... geographic location while keeping the total magnetic intensity unchanged. Despite this 'virtual displacement', the ...