X-Ray Absorption Lines Probe the Missing Half of the Cosmic Baryon Population
Cosmologists believe that half of all ordinary matter in the present epoch is hidden as a web of highly ionized intergalactic gas. An x-ray analog of the Lyman α forest of redshifted ultraviolet absorption lines promises to reveal that missing matter.
Gespeichert in:
| Veröffentlicht in: | Physics today 2005-03, Vol.58 (3), p.19-21 |
|---|---|
| 1. Verfasser: | |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | Cosmologists believe that half of all ordinary matter in the present epoch is hidden as a web of highly ionized intergalactic gas. An x-ray analog of the Lyman α forest of redshifted ultraviolet absorption lines promises to reveal that missing matter. |
|---|---|
| ISSN: | 0031-9228 1945-0699 |
| DOI: | 10.1063/1.1897552 |