What Are Sunspots?
Sunspots are dark, relatively cool spots on the surface of the sun in a region called the photosphere. Sunspots have temperatures of about 3,800 degrees K. They can be...
Read MoreSunspots are dark, relatively cool spots on the surface of the sun in a region called the photosphere. Sunspots have temperatures of about 3,800 degrees K. They can be...
Read MoreHow Does a Magnet Get Its Magnetism? All things, including magnets, are made of tiny atoms. Atoms are made of even tinier particles, among them things called electrons....
Read MoreHow Does a Magnetic Compass Tell Direction? A magnetic compass is the most well known type of compass, which has become so popular that the term “compass” almost always...
Read MoreWhat Is at the Center of the Earth? By studying earthquakes, scientists have discovered that the inside of the earth is divided into three main parts. First comes a...
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