Mobile Found a weird star banner thing in space, can't mine it and I am so confused

[Corrupt_Angel]

Found this in space. Can't mine it and reloading the world does nothing. Also managed to get inside a wall here ;P

 

[Nescre]

That’s a marker for the sleeping angler’s X position on the map. No clue why it exists but yeah that’s what that is. It disappears after you wake him up