Solar 'double vision' aids space weather warnings

 作者:竹雷     |      日期:2019-03-08 12:02:03
By David Shiga BURPS of hot ionised gas from the sun can knock out satellites and power grids when they hit Earth (New Scientist, 21 March, p 31). Till now their arrival has been hard to predict, but the first images of an earthbound burst captured by two satellites simultaneously have shown that we could get warnings 24 hours in advance that trouble is heading our way. These clouds of plasma, called coronal mass ejections (CMEs),