What if an alien transmission was to reach Earth? Would we be able to decode it and somehow communicate with other species? Many believe we could find ways to communicate with symbols or other icons.
TL;DR: In May 2023, the ESA's ExoMars Trace Gas Orbiter sent an "alien signal" to Earth as part of an art project called "A Sign in Space," aimed at testing the process of deciphering potential alien ...
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