1663Astronomical UnitJames Gregory
Gregory proposes using observations of a planetary transit from widely separated locations to determine the scale of the Solar System.
Historical records for Great Britain in 1663, rendered directly from the World History Database and ordered by month, day and event.
Gregory proposes using observations of a planetary transit from widely separated locations to determine the scale of the Solar System.
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varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.