Dark Energy Term Introduced
Turner introduces the expression dark energy for the unknown component associated with the newly discovered acceleration of cosmic expansion.
Historical biography archive · Updated 2026-11-03
Michael S. Turner Biography and Timeline
Follow Michael S. Turner through 3 dated historical records for United States of America.
Michael S. Turner, historical timeline
A chronological timeline drawn from matching World History Database records.
3Distinct records
1 of 1Page
1998–2001Years on this page
1998
1999
Dark Energy Cosmic Budget
Turner argues that observations require a dominant smooth energy component with negative pressure, framing dark energy as a major constituent of the cosmic energy budget.
2001
Dark Energy Research Programme
Turner outlines observational strategies for determining whether cosmic acceleration arises from a cosmological constant, evolving dark energy, or modifications to gravity.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.