THE SECONDARY MIRRORS

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The GMT will have 7 separate, circular segments each are 1.05 meters in diameter with the same geometry as the primary segments, which are capable of correcting images blurred by the atmospheric distortion effect.

This system will allow capturing clear pictures to help studying even smaller and more distant objects with minimized distortions. Each secondary mirror has 675 actuators controlled by computers that will continuously adjust and deform the mirrors according to the patterns caused by atmospheric turbulences.

Its adaptive optics technology will guarantee that the adjustments made to correct such distortions apply to all instruments, unlike other systems in which this correction takes place within specific instruments and, therefore, applies only to them.