Monthly Archives: June 2008

Sunspot

An unusually active sunspot region is now crossing the Sun. The region, numbered 875, is larger than the Earth and has produced several solar flares over the past week. It should take a few more days for Sunspot 875 to … Continue reading

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Visit to Sun

For more than 400 years, astronomers have studied the sun from afar. Now NASA has decided to go there. “We are going to visit a living, breathing star for the first time,” says program scientist Lika Guhathakurta of NASA Headquarters. … Continue reading

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Gravitation and Gravity

The terms gravity and gravitation are often used to explain the same thing, but there is a definite difference between the two. Gravitation is the attractive force existing between any two objects that have mass. The force of gravitation pulls … Continue reading

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How Gravity Works

There are two forces in nature that we experience every day: gravity and magnetism. You may have magnets on your refrigerator, and you know that a magnet will attract a refrigerator with a certain amount of force. The force depends … Continue reading

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