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Death by Black Hole: And Other Cosmic Quandaries

Book by Neil deGrasse Tyson · 4 quotes · Science, Ifs, Humans

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Death by Black Hole: And Other Cosmic Quandaries Quotes

“In any case, the leading edge of our "on purpose" radio signals is 30 light-years away and, if intercepted, may mend the aliens' image of us based on the radio bubble of our television shows. But this will happen only if the aliens can somehow determine which type of signal comes closer to the truth of who we are, and what our cosmic identity deserves to be.”

“If an alien lands on your front lawn and extends an appendage as a gesture of greeting, before you get friendly, toss it an eightball. If the appendage explodes, then the alien was probably made of antimatter. If not, then you can proceed to take it to your leader.”