Monday, June 11, 2012

What is the Milky Way?


Specification we could well see the Milky Way from external fettle, we would see the center bulky, bright yellow, shaped like a rugby ball, and a thin disk of blue revolving approximately. The Milky Way is a barred spiral, like a pinwheel. It is believed that the center is a black hole, which scientists call Sagittarius A. The center is not rounding, but rather elongated. Near him are the oldest stars, red and yellow.
 Instinctive hub four arms: Arm Peruses, Orion Arm, Arm Cross Arm Sagittarius and Centaurs. Form a slowly rotating disk in a spiral. In the arms are the youngest stars, White and Blue. There are also many nebulae where new stars form. The Sagittarius Arm is the brightest of all.
The Milky Way is a large galaxy. It procedures 100,000 light years across and contain more than 200,000 million stars. Their gravity is so powerful, that attracts other smaller nearby galaxies. The Earth is 25,000 light years from the center of the galaxy, in a sparsely populated area of the Orion Arm. Our Solar System takes 225 million years to make one complete turn to the Milky Way.

 Why is called the Milky Way?
On Clear night, the Milky Way looks like a colorless group diagonally the whole sky. In Latin, Milky Way means path of milk. According to Greek mythology, the god Zeus had a son by a mortal. When Hera, his wife found out, sudden the baby from its mother's arms as he nurse. The milk is spill and cut down during the sky.

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