How did the astrolabe help European explorers?

AIt enabled explorers to determine their position.
BIt allowed sailors to steer their ships better.
CIt was an instrument used to show a ship's speed.
DIt was an atlas containing detailed maps of all known lands.

Verified Answer :

The
answer is given by the first choice: letter A. The astrolabe helped European
explorers to determine their positions properly. An astrolabe is an instrument
that is used to determine the latitude when in navigation. It was used by
astrologers, navigators and astronomers during the earlier times.