Category:Extremely large telescopes

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extremely large telescope 
astronomical observatory featuring an optical telescope with an aperture of more than 20 m diameter
Wikipedia
Subclass of optical telescope
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Wikidata

This category is intended for images of extremely large telescopes (ELTs) in general. Images of specific ELTs (such as the European Extremely Large Telescope (E-ELT)) should be placed into their respective subcategories.

Subcategories

This category has the following 4 subcategories, out of 4 total.

E

G

O

T