home *** CD-ROM | disk | FTP | other *** search
- Alpha Draconis, "Thuban", was once the
- pole star, in the place of Polaris due
- to precession. Its closest approach was
- around 2830 BC when it passed a mere 10
- minutes from the true pole. (Polaris is
- 48 minutes away). Thuban is a
- spectroscopic binary with a period of
- 51.38 days.
-