July 23, 2012
|Four thousand years ago, Egyptian astronomers were using the star Thuban (Alpha Draconis) as their pole star. Although it was never as close to the Celestial Pole as Thuban, Kochab (Beta [β] Ursae Minoris) served as the North Star around 2000 B.C. About 1,000 years ago, people began using Polaris as a standard for navigation. Alas, Polaris too will slip away from the Celestial Pole. In 14,000 years, the brilliant star Vega (Alpha Lyrae) will replace it.|
Astronomy magazine subscribers can read the full answer for free. Just make sure you're registered with the website.
You are currently not logged in. This article is only available to Astronomy magazine subscribers.
Already a subscriber to Astronomy magazine?
If you are already a subscriber to Astronomy magazine you must log into your account to view this article. If you do not have an account you will
need to regsiter for one. Registration is FREE and only takes a couple minutes.
Non-subscribers, Subscribe TODAY and save!
Get instant access to subscriber content on Astronomy.com!
- Access our interactive Atlas of the Stars
- Get full access to StarDome PLUS
- Columnist articles
- Search and view our equipment review archive
- Receive full access to our Ask Astro answers
- BONUS web extras not included in the magazine
- Much more!