C313 A Signal from Space

Shua!

Everyone at the scene stood up.

"It's coming. What a powerful signal. It can't be us who sent it. It doesn't look like a celestial signal either." The chief researcher of the observatory exclaimed.

There was too much regularity.

"Quick, use the decoding method from 32 years ago"

Very quickly, the specific content was completely decrypted:

[Unknown civilization