Sunday, October 26, 2003
Powers of Ten
View the Milky Way at 10 million light years from the Earth. Then move through space towards the Earth in successive orders of magnitude until you reach a tall oak tree just outside the buildings of the National High Magnetic Field Laboratory in Tallahassee, Florida. After that, begin to move from the actual size of a leaf into a microscopic world that reveals leaf cell walls, the cell nucleus, chromatin, DNA and finally, into the subatomic universe of electrons and protons.
Florida State University in Tallahassee has posted a fascinating Java applet. It begins as a view from the Milky Way Galaxy toward Earth at a distance of 10 million light years. It then zooms in, each time decreasing the distance by a power of 10 until it reaches a leaf on a large oak tree on the FSU campus. I keeps on zooming, however, until it finally reaches the lever of quarks.
Click here to see
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