1676Finite Speed of Light from Io EclipsesOle Romer
Uses timing variations in eclipses of Io to show that light travels at a finite speed.
Historical records for Denmark in 1676, rendered directly from the World History Database and ordered by month, day and event.
Uses timing variations in eclipses of Io to show that light travels at a finite speed.
Uses eclipses of Io to estimate that light travels at finite speed.
This page is generated from stored World History Database records matching the exact country and year shown above. Exact duplicate display records are collapsed. Records without a month are listed after the monthly sections. Source provenance varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.