ELT secondary mirror during transport to annealing facility

At 3.5 tonnes and 4.2 metres, ESO’s M2 is the biggest secondary mirror in existence. Here, the still glowing hot mirror blank is transferred carefully through the streets of Mainz, Germany, to the SCHOTT 4-metre blank annealing facility.

Credit:

SCHOTT/ESO

About the Image

Id:eso1715d
Type:Photographic
Release date:22 May 2017, 12:00
Related releases:eso1715
Size:5181 x 3840 px

About the Object

Type:Unspecified : Technology
Category:ELT

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