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Her main works were Mechanism of the Heavens (1831), a translation of French astronomer Pierre Laplace's treatise on celestial mechanics; The Connexion of Physical Sciences (1834); Physical Geography (1848); and On Molecular and Microscopic Science (1869).
Yellow and the diamond shape represent Brazil's mineral wealth. The motto Ordem e Progresso means ‘Order and Progress’. Green stands for the vast forests. Effective date: 15 November 1889.
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