Top four solar flare questions answered by NASA scientists

In this video, NASA scientists answer four common questions about the solar flares, space weather, and how they affect the Earth.

1. Do all solar flares and CMEs (coronal mass ejections, massive bursts of solar wind and magnetic fields released into space) affect the Earth?
2. What happens when a flare or CME hits the Earth?
3. How quickly can we feel the effects of space weather?
4. Why are there more flares and CMEs happening now?

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April 26, 2012

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