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?

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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