Since so many of you took the time to respond to this photo I am going to give you the first piece early so that you know I am just not playing around like others do.

The first one is AGNLF 51. If you do not know what it is that is ok because you have to be in this field to really understand it. Basically they are watching light disappearing into a black hole. They do this so they can find black holes or things blowing up or combining. They then take the data can try to make an educated guess about whatever it is they are looking for.
This is also used to measure red shift changes to our sun. Our sun is what you want to focus on. The next thing you want to ask yourself is why is it in a post from Elon Musk?

Think outside the box. There is so much here for you to find.

https://ui.adsabs.harvard....

http://sait.oat.ts.astro.i...

I was way off then bc I thought it may have to do with TLUAV or Autonomous Underwater Vehicles or even the N64Vault Mod .😁 It is fascinating though, a whole world of communication that so few know is even occuring .