> For the complete documentation index, see [llms.txt](https://chubby-troops.gitbook.io/chubby-troops/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://chubby-troops.gitbook.io/chubby-troops/first-contact/mysterious-signal.md).

# Mysterious Signal

One day **Araenians** astronomers received a mysterious signal [\[**The Arecibo message**\]](https://en.wikipedia.org/wiki/Arecibo_message#:~:text=The%20Arecibo%20message%20is%20an,star%20cluster%20M13%20in%201974.).They deciphered it and pin pointed it's source**.** 

![Earth](https://2005541013-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FTtmUGbouut1oEW5QamIY%2Fuploads%2F0X49wRYwN035bM5PQG7l%2FIMG_5726.PNG?alt=media\&token=bf36ca35-4e41-40a0-b169-18fc50328412)

**Araenians** discovered that there is life on earth and in the name of science they decided to visit  earth and run some experiments on earthlings. Following the **First contact protocol** Araenians sent a signal mentioning their arrival year.