High-redshift supernovae indicate that dark energy has been around for 10 billion years

High-redshift supernovae indicate that dark energy has been around for 10 billion years

A puzzling dark energy is presumed to be driving the present acceleration of the Hubble expansion. But what was it doing before it became the dominant component of the cosmos?

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Bibliographische Detailangaben
Veröffentlicht in:Physics today 2007-01, Vol.60 (1), p.21-25
1. Verfasser: Schwarzschild, Bertram
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
Astrophysics
Cosmology
Dark energy
Gravity
Online-Zugang:Volltext
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Beschreibung
Zusammenfassung:A puzzling dark energy is presumed to be driving the present acceleration of the Hubble expansion. But what was it doing before it became the dominant component of the cosmos?
ISSN:0031-9228
1945-0699
DOI:10.1063/1.2709545