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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.
Kredit:ESO
O snímku
| Id: | ntt-cleaning-01 |
| Typ: | Fotografický |
| Datum zveřejnění: | 3. prosince 2009 23:19 |
| Velikost: | 4368 x 2912 px |
O objektu
| Jméno: | New Technology Telescope |
| Typ: | Unspecified : People : Scientist Unspecified : Technology : Observatory : Telescope |
| Kategorie: | La Silla |
