Planetarium Extra Credit - sun is going to die I thought...

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Ryan Zmolek January 31, 2009 Astronomy 1 Gladwin Planetarium Extra Credit I went to the Santa Barbara Museum of Natural History on Saturday for the Gladwin Planetarium extra credit. I arrived about ten minutes before the two o’clock showing of Secrets of the Sun, the planetarium show. Before the show I walked around in the astronomy section. There was a quiz on the galaxies and planets which I took. For the quiz when you pressed a button with the name of the object next to it, then the picture would light up. After I finished the quiz the planetarium opened up. I gave my ticket to the presenter, walked into the planetarium, and sat down in the back row on a comfortable red seat. Before the show was started the presenter talked for twenty minutes about what we were going to see in the show so that we would get the best experience because our understanding would be better. In the show I saw how the sun was born, the effects the sun has on the earth, what the sun is made of, and how the
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Unformatted text preview: sun is going to die. I thought the most interesting part was how the sun is going to die. The sun will die in approximately five billion years. As the Sun grows old, it will expand. As the core runs out of hydrogen and then helium, the core will contact and the outer layers will expand, cool, and become less bright. It will become a red giant star. The sun will then swallow Mercury, Venus, Earth, and maybe even Mars. With the sun so much bigger life may be possible on some of the moons of the gas giants. After this phase, the outer layers of the Sun will continue to expand. As this happens, the core will contract; the helium atoms in the core will fuse together, forming carbon atoms and releasing energy. The core will then be stable since the carbon atoms are not further compressible. Then the outer layers of the Sun drift off into space, forming a planetary nebula....
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