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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.
Kredit:John Webb
O snímku
| Id: | eso0606a |
| Typ: | Kresba |
| Datum zveřejnění: | 15. února 2006 |
| Související články: | eso0606 |
| Velikost: | 2480 x 1458 px |
O objektu
| Jméno: | Quasar, Spectrum |
| Typ: | Unspecified : Galaxy : Activity : AGN : Quasar |
| Kategorie: | Galaxies Illustrations |
