“Stephen Hawking … [has] suggested that we should be wary of contact with extraterrestrials, citing what happened to Native Americans when Europeans landed on their shores. … [But it’s] manifestly too late. We have been inadvertently betraying our presence for 60 years with our television, radio and radar transmissions. The earliest episodes of I Love Lucy have washed over 6000 or so star systems, and are reaching new audiences at the rate of one solar system a day.”