Lifting segment 4-76 out of the Keck 2 primary mirror for re-coating and repair
Lifting segment 4-76 out of the Keck 2 primary mirror for re-coating and repair
Segment Exchange
When you want to see the stars, find someplace dark
Lifting segment 4-76 out of the Keck 2 primary mirror for re-coating and repair
Lifting segment 4-76 out of the Keck 2 primary mirror for re-coating and repair