Tracking the Earth’s magnetic field in Northern Lights Physicists are keen on solving the mysteries of the Earth’s magnetic field. Their curiosity has a practical side – when solar storms that create the aurora are bent by the magnetic field, it can affect technologies that modern civilization depends on.
Giant tornadoes fire up the solar atmosphere How can the outer regions of the Sun’s atmosphere be upwards of 150 times hotter than the surface? One of the oldest problems of astrophysics has now been partially explained.