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Sunday, December 9, 2007

constellations





Constellations are names for groups of stars that appear to form shapes in the sky. They were given their names many hundreds of years ago to help us remember which stars are which. We use constellations to divide up the sky.

1. Andromeda: located 2.3 million light years away, one cann easily find the constellation with their naked eye along with its galaxyon clear moonless nights.

2. Scorpious:http: The constellation of Scorpious is a large and includes many bright stars, that of the lower half of the body is bathed in the summer's Milky Way. the asterism of a vast skewed shape of "S" was taken an attention in many ancient cultures, for example,it was regaurded as a gigantic fishhook in Japanese fishing villages
//en.wikipedia.org/wiki/List_of_constellations

3. Draco: draco the dragon is a circumpolar constellation, which means it revolves the celestrial
North Pole. it can be seen all year round. Draco is only present in the northern Hemispear, so those living in the Southern Hemisphere will never see this long constellation.

4. Big dipper: The best known group of stars is the Big Dipper; you have probably heard of it or even seen it. The Big Dipper is a group of seven bright stars, 3 which form a handle and 4 which form a bowl. The Big Dipper is not actually a constellation but is part of the constellation Ursa Major, or Great Bear.

5. Little dipper: The Little Dipper is a smaller version of the Big Dipper. It can be found by looking directly up front the two outermost stars which form the bowl on the Big Dipper. These two stars point us to Polaris, the Pole Star (indicating the North Pole), which is at the end of the Little Dipper's handle.

6. Orion: Orion is another well-known constellation. Orion was an ancient Greek hunter and warrior. The belt is usually the easiet part of Orion to spot, with three bright stars in a row.

7. Casseopeia: found next to the Big Dipper and orion. Its shape is easy to remember, a neat W, or M, formed by 5 bright stars. Casseopeia is the mythological Queen of Ethiopia.

1 comments:

music savy said...

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