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The Arecibo message is the first 'letter' sent to the aliens
Arecibo radio signal is the first message that humanity actively sends out to space. It is a binary code of 1,679 bits - the product of two primes 23 and 73.
Alien Message
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Articles about Alien Message
4 published items.
Space science
Messages to aliens on trams flying to Mars
Falcon Heavy became the world's most active rocket after taking off from Kennedy Space Flight Center in Florida, USA, at 3:45 this morning in Vietnam time.
Space science
Is it time for humans to
Many countries have invested in gray matter, money, technology ... to serve the exploration of the universe; search
Science story
Summary of 'hot' news on April 2
Predicting the future of the earth in 2050, the mysterious message of aliens, alien viruses exist on the ocean floor, 7 animals