4 ms·

Astronomers do put a screen in front of the sensor to occlude pixels. This is to block the light of natural space objects that get troublesome.

• rtkwe 7y ago
  Those are static though right? For starlink you'd need to have it moving.
  • tropo 7y ago
    They can be dynamic, with pixels. One such technology is the optical vortex coronograph. Several types exist.