The oldest known astrolabe was used on one of Vasco da Gama’s ships

The navigational device dates back to as early as 1496


MARINER’S FRIEND  A metal disk found at a shipwreck site near Oman is the oldest known mariner’s astrolabe, a device for navigating at sea.

 D. Mearns

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Archaeology

From the Nature Index

Paid Content