Free Search (11155 images)
Herschel spacecraft during distance measurements between the primary and secondary mirrors
Views:
94
Rating: 0.00/5 (0 votes cast)
Rating: 0.00/5 (0 votes cast)
- Title Herschel spacecraft during distance measurements between the primary and secondary mirrors
- Released 27/02/2009 7:06 pm
- Copyright ESA
- Description
The Herschel telescope during the high-precision measurements of the distance between the primary and secondary mirrors (M1 and M2), with the spacecraft in horizontal position. The operator can be seen placing laser targets at the rear of the M2 (secondary mirror).