- Humans carry about 1,500 million light years of repetitive radio waves or alien spaces
- Alien greetings? Scientists repeat over 1,5 million light years of radio waves
- Alien greetings? Canada has discovered more than 1.5 million light years of radio waves – Science cnBeta
- Alien greetings? Canada's radio wave has been finding 1.5 million light years ago – News News News
- Canadian foreigners say goodbye to radio waves for 1.5 million light years
- See the whole story of Google News
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