Here's a breakdown:
* Sunspots: These are cooler, darker areas on the Sun's surface caused by intense magnetic activity.
* Solar flares: These are sudden, intense bursts of energy from the Sun's atmosphere (the corona). They occur when magnetic field lines in sunspots tangle and reconnect, releasing a tremendous amount of energy. This energy is released as radiation (including light, ultraviolet radiation, and X-rays) and in the form of particles accelerated to near the speed of light.
* Coronal mass ejections (CMEs): These are large expulsions of plasma and magnetic field from the Sun's corona, often associated with solar flares. They can release billions of tons of matter into space at speeds of millions of kilometers per hour.
While sunspots are the "source" of solar flares, they are not the explosions themselves. Solar flares are the explosive events.