Free Astronomy Magazine March-April 2018

22 SOLAR SYSTEM We know the way many structures in the universe evolved following their origin, but in many cases we have not yet understood which phenomenon produced the origin itself. This is the case with our Solar System, for which the dominant thinking is that it was born because of a shock wave from a supernova compressing a cloud of dust and gas. A recent study, however, has shown that the triggering cause could be different. A Wolf-Rayet origin of the by Michele Ferrara MARCH-APRIL 2018