ELT secondary mirror blank successfully cast

Opening of the ELT M2 ZERODUR® blank mould containing the still very hot ZERODUR® glass at first annealing at the SCHOTT 4-metre blank annealing facility in Mainz, Germany in May 2017. The completed mirror will be 4.2 metres in diameter and weigh 3.5 tonnes. It will be the largest secondary mirror ever employed on a telescope and also the largest convex mirror ever produced.

Autorska prava:

SCHOTT/ESO

O slici

Id:eso1715a
Tip:Fotografski
Datum objavljivanja:22. maj 2017. 12:00
Povezana saopštenja:eso1715
Veličina:5760 x 3840 px

O objektu

Tip:Unspecified : Technology
Kategorija:ELT

Formati slika

Veliki JPEG
2,6 MB
JPEG izdanje
1,3 MB

Zumiranje


Wallpapers

1024x768
117,7 KB
1280x1024
179,5 KB
1600x1200
250,2 KB
1920x1200
286,1 KB
2048x1536
406,1 KB

 

Takođe pogledajte