Re: A 100m wide mirror

Space/Science » in reply to A 100m wide mirror

RobVG — 12/7/2002 7:18:44 PM (archived)

The Keck telescope uses "pistons" to adjust the alignment of the hexagonal segments.

I couldn’t find any detail on the system. It’s very intriguing since it’s capable of moving each section a few nanometers. You would think low temperatures would be a problem.

The whole thread (13 posts)

A 100m wide mirror - Raoul - 12/7/2002 12:56:18 PM
- Useless for impactor detection - E.P. Grondine - 12/8/2002 7:18:19 PM
  - Kook Alert (n/t) - Kook Alert - 12/9/2002 5:22:12 PM
  - Re: Useless for impactor detection - Robert Clark - 12/9/2002 2:11:53 PM
    - Re: Useless for impactor detection - E.P. Grondine - 12/9/2002 11:11:46 AM
  - Get a life.... - R.L. - 12/8/2002 10:46:07 AM
    - Already have one, thank you - E.P. Grondine - 12/9/2002 11:07:46 AM
- Re: A 100m wide mirror -- some people need that . . . - D. Spires - 12/7/2002 7:29:19 PM
- Re: A 100m wide mirror - RobVG - 12/7/2002 7:18:44 PM
  - Keck - R.L. - 12/8/2002 10:43:56 AM
- Re: A 100m wide mirror - philw - 12/7/2002 3:15:20 PM
  - linking scopes - R.L. - 12/8/2002 12:12:25 PM
  - Re: A 100m wide mirror - Raoul - 12/8/2002 9:47:39 AM

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The whole thread (13 posts)