Datoteka:Blank Canvas the ELT’s M2 Mirror Blank.tif

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Sažetak

Opis
English: This image shows the massive 3-ton blank for the ELT’s secondary mirror. This technological blank has been successfully machined from a slab of the low-expansion ceramic material ZERODURⓇ into its near-final form by the German company SCHOTT. M2 will be the largest ever secondary mirror employed on a telescope, as well as the largest convex mirror ever produced. Fabricating this highly convex, aspherical mirror is a considerable challenge — and the result will be a truly remarkable example of pioneering optical engineering. The secondary mirror and its support system — weighing 12 tonnes — will hang upside-down high above the 39-metre primary mirror.
Datum
Izvor https://www.eso.org/public/images/ann19003a/
Autor SCHOTT

Licenciranje
This media was created by the European Southern Observatory (ESO).
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pripisivanje
This file is licensed under the Creative Commons Attribution 4.0 International license.
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media type engleski

image/tiff

checksum engleski

498905973450c4133bc9b2be8e1cfdace8faf461

metoda određivanja: SHA-1 engleski

data size engleski

6.115.276 Bajt

visina

1.772 piksel

širina

2.362 piksel

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Datum/vrijemeSmanjeni pregledDimenzijeKorisnikKomentar
trenutno12:15, 16 januar 2019Smanjeni pregled verzije na dan 12:15, 16 januar 20192.362 × 1.772 (5,83 MB)JmencisomUser created page with UploadWizard

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