Dark energy

Appears in3 items

• 
  History of the Universe2 items
  • Expansion starts to acceleratec. 6 Ga
  • Accelerating expansion discovered1998
• 
  The Far Future1 item
  • The universe is twice its present age13.8 Ga AP

Sources

1. ArticleObservational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
2. ArticleMeasurements of Ω and Λ from 42 High-Redshift Supernovae
3. ArticlePlanck 2018 results. VI. Cosmological parameters