Facts about the the solar system

The Solar System is the system of the and the objects that it. It when a dense region of a collapsed, forming the Sun and a . The Sun is a typical star that maintains a by the of hydrogen into helium at its , releasing this energy from its outer . Astronomers [pdf]
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Who has the sole power to declare war

Five wars by Congress under their constitutional power to do so: the , the , the , , and . In a message to Congress on May 11, 1846, announced that the was about to become a state. After Mexico threatened to invade Texas, Polk amassed federal troops around Corpus Christi. When Texas became a state, federal troops moved into a. [pdf]
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