Portugal 2012 Observations of the Transit of Venus
From Stamps of the World
- Issue date: 27th June 2012
- one value and a miniature sheet
- Designed by: Elizabete Fonseca, Acacio Santos Studio
- Printed by: Joh. Enschedé Stamps, Netherlands
- Print process: lithography
- stamp format height 31mm x width 40mm. Miniature sheet format height 95mm x width 125mm
- Perforations: 12.9 x 12.9 with cross cutouts on horizontal sides, or 12.9 x 13.25 cutouts on vertical sides (miniature sheet)
Observations of The Transit of Venus
2.00€ ~ portrait of Father Teodoro de Almeida, 1722-1804, priest, writer and philosopher, and Venus transiting Sun
Miniature sheet €3.00 ~ diagram of solar system indicating evolution of orbital positions of Venus and Earth around Sun 2004-2012. Border: Earth seen from space, astronomers making observations in 1761 (or 1769)
Notes: French astronomer Joseph-Nicolas Delisle organised co-ordinated observations of the transits of 1761 and 1769; Almeida was the observer in Portugal, and published his data in 1774
