astro essay 3

astro essay 3 - Greg Strand Section 110 Sun-Earth...

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Greg Strand Section 110 Sun-Earth Connection The Sun is the most important body in our solar system. Without it, our planet would be an icy wasteland with no life whatsoever. With the Sun though, we are affected in other ways besides it just giving us our tans in the summer. For the most part, the Sun stays fairly calm, but during times when sunspots cover the star, violent eruptions can have huge impacts on the Earth and its magnetic field. One phenomenon that happens quite regularly on the Sun is called a coronal mass ejection event (CME). Basically these events are giant magnetic bubbles that expand outward from the entire Sun. They carry up to 10 billion metric tons of coronal material into the space of our solar system. (Encarta, 2004) These CMEs affect the way the solar wind is being blasted at our planet. It was once believed that these events were closely related to solar flares that occur on the surface of the Sun as well. It has been recently discovered though that CMEs can and do occur quite regularly without any connection to solar flares. The number of CMEs that occur does in fact have to do with the number of
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astro essay 3 - Greg Strand Section 110 Sun-Earth...

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