Thursday, September 25, 2008

Sept 25 Class

Today in class we performed an online assignment. We joined in to a Webseminar. The seminar was about stars and astronomy. The biggest element of the stars is hydrogen, then helium and metals. The stars are hot, glowing balls of gas. An interesting fact that I found was that stars are born in the Orion Nebula. Also, the most important factor in how a star evolves and eventaully dies is it's initial mass. There are two different types of stars, high mass and low mass. High mass stars are very bright, burn "fuel" rapidly and have short lives. Low mass stars are less bright, "burn" for billions of years and have very long lives. There were also many other facts about stars that I think would be very beneficial in the classroom. I think that it is important for students to learn about the stars and how they are formed.

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