Assertion: geomagnetic storm | /r/Causes | electrical blackouts
Facets:
value: on a massive scale
type: OTHER
Source sentences:
text: It has been suggested that a geomagnetic storm on the scale of the solar storm of 1859 today would cause billions or even trillions of dollars of damage to satellites, power grids and radio communications, and could cause electrical blackouts on a massive scale that might not be repaired for weeks, months, or even years.