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Before this week, I never really understood what it really meant when people said that the earth is a part of the milky way galaxy and that there are other galaxies in the universe.  I didn't realize how big the universe is.  I also thought that it was cool that when things are looked at through different spatial scales, we realize that there is not much difference between anything, and that it is all about the way these small particles are arranged.  It made everything in the world seem more beautiful, even a rock.

 Now the world seems more exciting because of the fact that it is continually expanding, and so we never realy know what can pop up next.  Things are so far away that we fail to realize that there is a lot going on out there and at any moment, those things can have major effects on us.