A raw spectrum obtained with FORS

A long, narrow slit isolates a small strip of sky. On this image, the slit is vertical. The spectrograph then splits the light from the slit into its individual colours, each point of the slit forming a horizontal rainbow. In this spectrum, the light from a distant galaxy appears as a faint horizontal line, peppered with bright dots corresponding to the colours emitted by the gas in the galaxy.

Telif:

ESO

Görüntü Hakkında

Kimlik:fors2_spectrum
Tür:Gözlem
Yayın tarihi:09 Nisan 2014 11:42
Boyut:2036 x 2068 px

Nesne Hakkında

Adı:FORS2
Tür:Unspecified : Technology : Observatory : Instrument
Kategori:Paranal

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Renkler & Filtreler

BantTeleskop
Very Large Telescope
FORS2

 

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