Detecting metals in invisible galaxies

A distant quasar is used as a beacon in the Universe. Galaxies and intergalactic material that lie between the quasar and us will reveal themselves by the features seen in the spectrum. Figure adapted from John Webb.

Källa:

John Webb

Om bilden

ID:eso0606a
Typ:Illustration
Publiceringsdatum:15 februari 2006
Relaterade pressmeddelanden:eso0606
Storlek:2480 x 1458 px

Om objektet

Namn:Quasar, Spectrum
Typ:Unspecified : Galaxy : Activity : AGN : Quasar
Kategori:Galaxies
Illustrations

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703,3 kB
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