93 million miles from Earth, geomagnetic storms are projected from the sun's surface. When they hit Earth, they have little effect on living things, but can knock out the entire power grid. ... Read all93 million miles from Earth, geomagnetic storms are projected from the sun's surface. When they hit Earth, they have little effect on living things, but can knock out the entire power grid. Today is just another day on Earth. But in two hours, a total blackout deprives 200 millio... Read all93 million miles from Earth, geomagnetic storms are projected from the sun's surface. When they hit Earth, they have little effect on living things, but can knock out the entire power grid. Today is just another day on Earth. But in two hours, a total blackout deprives 200 million European people of power. All hospitals, airports, emergency services and communication ... Read all