"Many different planets are many different distances from their host star; we find ourselves at this distance because if we were closer or farther away, the temperature would be hotter or colder, eliminating liquid water, an essential ingredient for our survival."

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I am totally fascinated by people and our history as I understand and continue to explore it. People have so much to give and so far to go and yet we have given and gone a great distance. It's really just interesting to ask: why not? And see where that takes me.

— Nikki Giovanni