What is a magnetic pole? Magnetism is the invisible force that draws together some metals, such as iron and steel, or pushes them apart. This force is especially strong at each end of the magnet. These two powerful ends are called poles. One is called the north (north-seeking) pole, because…
What is the Sun? The sun is a medium-sized star, just like countless other in the entire universe. It is formed of gas left behind when a much larger star destroyed and blew up, and now in its middle age, it burns fair steadily giving us the energy…