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áÒ^.b1K0Æ<7ÅÊz orange or red, you would not only be able to see the interlor of your...
áÒ^.b1K0Æ<7ÅÊz
orange or red, you would not only be able to see the interlor of your
microwave oven burst into activity when you push the start button, but
you would also see a faint and nearly uniform glow spread throughout
what the rest of us perceive as a dark night sky. More than four decades
ago, scientists discovered that the universe is suffused with microwave
radiation-iong-naveiength light-that is a cooi relic of the sweltering
conditions just after the big bang.' This cosmic micro~i~ave
background
radiation is perfectly harmless. Early on, it was stupendously hot, but as
the universe evolved and expanded, the radiation steadily diluted a...8