During his circumnavigating expedition around 1519, he observed the galactic "clouds" later named after him
He later sailed under Diogo Lopes de Sequeira in the first 
Portuguese... [DOC] [TLE] The Magellanic Stream: Circumnavigating the Galaxy arXiv ... [PAR] Nov 18, 2015 ... interwoven tail of filaments trailing the Clouds in their orbit around ....