NTT mirror cleaning

The main, 3.54m diameter mirror of the New Technology Telescope on La Silla is being washed, so to remove the dust accumulated on its surface. This very delicate process is performed using a natural sponge, soft soap and distilled water.

Kilde:
ESO

Om billedet

Id:ntt-cleaning
Type:Foto
Udgivelsesdato:3. december 2009 23:18
Størrelse:2912 x 4368 px

Om objektet

Navn:New Technology Telescope
Type:Unspecified : Technology : Observatory : Telescope
Kategori:La Silla

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