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2015-02-16T20:01:44+08:00

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
For example, a constellation like North Star can help sea travelers mark along their way. For most astronomers, constellations can be used as an evidence for investigations. 
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2015-02-17T17:40:52+08:00

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Some constellations have certain locations. They used to help navigators find places. They guide explorers.
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