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Lasers in the night
ESO's Very Large Telescope (VLT) counteracts the blurriness of stars caused by the atmosphere through use of the 4 Laser Guide Star Facility (4LGSF). The 4LGSF sends four laser beams into the skies to produce four artificial stars by exciting sodium atoms located in the atmosphere at an altitude of 90 kilometres. These stars act as reference points to artificially remove the twinkling of stars.
Credit:G. Brammer/ESO
Over de afbeelding
Id: | UT4_4LGSF_GBr-CC |
Type: | Fotografisch |
Publicatiedatum: | 5 december 2018 18:24 |
Grootte: | 2508 x 4584 px |
Over het object
Naam: | Very Large Telescope |
Type: | Unspecified : Technology : Observatory : Instrument Unspecified : Technology : Observatory : Facility Unspecified : Technology : Observatory |
Categorie: | Paranal |
Afbeeldingstypen
Grote JPEG
2,1 MB
Publication TIFF 4K
13,1 MB
JPEG voor publicatie
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Beeldschermformaat
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