Consider the mystery of the universe. Many centuries ago, Ptolemy could count no more than one thousand and twenty-two stars; centuries later, Galileo could see five thousand through his telescope. Seventy years ago, scientists’ best estimate was three hundred billion. The figure soon doubled, then tripled. Now they talk of galaxies and meta-galaxies until the mind boggles. Our own galaxy is about one hundred thousand times six trillion miles wide, yet we know it is but a tiny part of the larger, unknown star system. We know there are atom particles traveling in outer space at incredible speed (we call them “cosmic rays”) but we don’t know where they come from. Getting down to earth, we know there is a…

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