Scientists warn that the new millennium may bring destruction and disasters to the Earth. Spacecraft and communication satellites may be destroyed, and the power supply to major cities may be cut off. It may even have adverse effects on weather and human health. These millennial predictions of disasters do not come from superstitious doomsayers, but from physicists on the surface of the sun - the root of their anxiety lies 93 million miles away. Research by solar physicists suggests that disturbances on the sun can cause massive solar matter clouds to be ejected into space. These clouds contain billions of tons of charged particles, which are stripped from atoms at a high temperature of 2 million degrees Celsius in the sun and contain enough energy to boil a small ocean. When one of the solar storms strikes Earth, it may cause serious damage to a series of precision satellites orbiting the Earth, as well as scientific and military information. We now rely on these satellites to access basic services such as television, telephone, banking, and navigation. A violent solar storm can cause significant fluctuations in the Earth's magnetic field and lead to widespread power outages - just like what happened in Canada a few years ago, when the entire Quebec region lost power.