Flux tube
Videos
A flux tube is a generally tube-like region of space containing a magnetic field, B, such that the cylindrical sides of the tube are everywhere parallel to the magnetic field lines. It is a graphical
Graphic of the magnetosphere of Jupiter with a flux tube connecting Jupiter and Io shown in yellow.
Solar granule
Videos
In solar physics and observation, granules are convection cells in the Sun's photosphere. They are caused by currents of plasma in the Sun's convective zone, directly below the photosphere. The grainy
High-resolution image of the Sun's surface taken by the Daniel K. Inouye Solar Telescope (DKIST).