alt Hacker NewsThe adaptive optics system for the DKIST solar telescope actually deforms each point of the mirror at 60Hz or something to do wavefront correction!
The adaptive optics system for the DKIST solar telescope actually deforms each point of the mirror at 60Hz or something to do wavefront correction!
Big telescopes have to actively deform the primary mirror anyway, just to keep it in proper shape as it moves around under gravity loads.