Seth Shostak quoteSeth Shostak [0-0]
American Scientist 
Quote rank: 218
| The strongest signals leaking off our planet are radar transmissions, not television or radio. The most powerful radars, such as the one mounted on the Arecibo telescope (used to study the ionosphere and map asteroids) could be detected with a similarly sized antenna at a distance of nearly 1,000 light-years. |
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