Washing mirrors

Dust accumulates over time on mirrors´ surfaces, absorbing and diffusing some of the light that should be focused on the instruments, so periodical cleaning is needed.

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ESO

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Id:faut-pas-rever021
Type:Foto
Udgivelsesdato:26. april 2013 15:56
Størrelse:2304 x 3072 px

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Navn:Paranal
Type:Unspecified : Technology : Observatory : Facility
Kategori:Paranal

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