Mariners' Museum and Park
Mariners' Museum: Resources: Age of Exploration
Scroll to the bottom of this page to access activity resources and lesson plans that encourage students to explore an understand the practicalities and difficulties involved in sailing to new places during the Age of Exploration.
Other
University of Cambridge: Starry Messenger: Hipparchus and the Astrolabe
A summary of Hipparchus' achievements as an astronomical observer, concentrating on the possibility that he invented the astrolabe, a device used to tell the time at night from stellar positions. Contains more links on Hipparchus.
Other
Astrolabe.org: The Astrolabe
A description of the ancient astrolabes and how they worked. Provides information about definitions, collections, and also includes photos.
Other
The Astrolabe: Home Page
This site provides a very general overview of astrolabe principles with links to other pages for more detailed information.
Curated OER
History of an Astrolabe
This site offers a definition and history of the astrolabe. There are links for additional information and acitivities.