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K
What is a online or computer program to show pictures like this.
http://www.youtube.com/user/ChloeContagiousx#p/search/0/efjD99ouNTE
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K
i have an assignment but i cannot find a simple verson of what a red shift line is? please help
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K
i have an assignment but i cannot find a simple verson of what a red shift line is? please help
