An astronaut on the space station just looked out the window and saw this

A chip in the glass of the Cupola observation module.
https://en.wikipedia.org/wiki/Cupola_(ISS_module)

Holy crap.

 

http://www.geek.com/science/space-debris-hitting-iss-window-creates-7mm-chip-1655003/

 

The Cupola is where the chip happened.