NASA | Scientists Answer Top Space Weather Questions, Part II

NASA scientists answer some common questions about the sun, space weather, and how they affect the Earth. This is a two-part series.

Part Two addresses:

1. Do all flares and CMEs 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?