| http://www.w3.org/ns/prov#value | - What if ETs are silent because the universe is a dangerous place? 1) ET might be using something other than electromagnetic waves to communicate.2) If they have faster-than-light travel then sending capsules is better than sending EM messages (sending EM messages between solar systems is pointless because of the time lag, anyways)3) If they use EM then they are likely using some form of _directed_
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