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发帖数: 1994 | 1 Big Dipper Castle
Credit & Copyright: Till Credner (AlltheSky.com)
Explanation: The stars of the big dipper, a well known asterism in the
constellation Ursa Major, are easy to recognize in this dramatic skyscape.
In fact, northern hemisphere skygazers often follow along the line indicated
by the two stars at the far right. Extending off the top of this image,
that line leads to Polaris, the North Star, conveniently located near the
north celestial pole. Following the arc of the dipper's handle a |
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