совершая кругосветное путешествие,

совершая кругосветное путешествие, открыл много островов на дальнем востоке

Результаты (английский) 1:

making a trip around the world, has opened many islands in the far East

Результаты (английский) 2:

traveling around the world, has opened a lot of islands in the far east

Результаты (английский) 3:

By carrying out round the world, was opened by many islands in the Far East