Significados de astronomical labours en inglés

MÉCHAIN, the present director, and BOUVARD, his associate, are extremely assiduous in their astronomical labours.

An event, however, occurred in 1572 which stimulated Tycho's astronomical labours, and started him on his life's work.

By his astronomical labours Ricci won a place of honour in Chinese literature; he is the European most often mentioned.

By way of change from his astronomical labours he used frequently to work with his students in his chemical laboratory.

I had the honour to be introduced by him to the elder Struve, whose astronomical labours procured him a well-earned reputation throughout Europe.