The Earth’s magnetic field extends from the core of the planet, right out to space. It is an invisible, butterfly-like, shield which protects us against the harmful particles ejected by solar flares. In addition, it guards us from atmospheric erosion and water loss caused by solar wind. But how do scientists study the Earth’s magnetic field when it can’t be see? Much of what is known results from ...[Read More]
Imaggeo on Mondays: recording the Earth’s magnetic field one grain at a time
Titanomagnetite grain . Credit: Firoz Kadar Badesab (distributed via imaggeo.egu.eu)