By Jonathan O’Callaghan from NYT Science https://ift.tt/cS8ridg via IFTTT
Why does the inner solar system not spin faster? The motion of a tiny number of charged particles may solve a long-standing mystery about thin gas disks rotating around young stars, according to a new study by Caltech researchers. These features, called accretion disks, last tens of millions of… Read more at nsf.gov