Not all disasters begin on Earth. The Sun has a temper. When it flares, the Earth feels it. One minute everything is fine. Then, in a flash lasting mere minutes, the Sun releases more energy than a billion nuclear bombs. We call it a solar flare. What is a Solar

Have you come across a real telescopic image of the Sun, and noticed dark patches scattered across its surface? If you have, you were looking at sunspots. And before you ask, no, the Sun is not bruised. Not spotty either. Well, actually, a little spotty. What exactly are sunspots? Sunspots