ABSTRACT
What mysteries lie behind all the beautiful objects that shine in the sky-those stars and galaxies, pulsars and nebulae, or the auroras, which produce glorious and colourful arcs in the northern regions of the globe?
What mysteries lie behind all the beautiful objects that shine in the sky-those stars and galaxies, pulsars and nebulae, or the auroras, which produce glorious and colourful arcs in the northern regions of the globe?