- Alien greetings? Canada repeats radio waves over 1,500 million light years away – News – Global trade IC has begun.
- Alien greetings? Canada has discovered more than 1.5 million light years of radio waves – Science cnBeta
- Humans carry about 1,500 million light years of repetitive radio waves or alien spaces
- Alien greetings? Canada's radio wave has been finding 1.5 million light years ago – News News News
- Alien greetings? Scientists repeat over 1,5 million light years of radio waves
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