. . "Solar system." . . . "Threat to Planet Earth"@en . "Videorecording"@en . "Activity on the surface of the Sun is ramping up, increasing the risk of massive storms of plasma. And what's more, these storms will continue to happen for a number of years. But what are solar storms, and what do they mean for life on Earth? Is there a way to lessen their impact? This program goes to the Space Weather Prediction Center in Boulder, Colorado, and to the National Solar Observatory to investigate."@en . "Solar Storms the Threat to Planet Earth"@en . . . . . "Educational films"@en . "Internet videos"@en . . . . . . . . . . . . "Films for the Humanities & Sciences (Firm)" . .