The programme contributes measurements intended to refine the astronomical unit.
Historical records for Belgium in 1882, rendered directly from the World History Database and ordered by month, day and event.
The programme contributes measurements intended to refine the astronomical unit.
Supports measurement of the astronomical unit through coordinated observations.
Organizes Belgian observations of the transit of Venus.
Organizes Belgian expeditions to observe the transit of Venus.
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varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.