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Reference Terms
from Wikipedia, the free encyclopedia

Sirius

Sirius is the brightest star in the nighttime sky.

Sirius can be seen from every inhabited region of the Earth's surface.

There are a few unsolved mysteries regarding Sirius.

Note:   The above text is excerpted from the Wikipedia article "Sirius", which has been released under the GNU Free Documentation License.
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Science News
September 29, 2016

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updated 12:56 pm ET