The Astrolabe & the Antikythera

The Astrolabe is of interest in showing how much the ancient world knew of astronomy:

http://www.astrolabes.org/

And I don’t think we can talk about Ancient Greek Astronomy without considering the Antikythera (around 2nd Century BC):

http://www.antikythera-mechanism.gr/

Although the later probably not really related to ancient astronomy – its still pretty interesting how they applied what they knew.

Here is a recent article published today as a free download on Nature about the Antikythera

http://www.nature.com/news/2010/101124/pdf/468496a.pdf