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A star called T Corona Borealis may "go nova" next week, making the star briefly visible to the naked eye. It last happened in 1787, 1866 and 1946.
Strictly speaking, however, a constellation is a distinct portion of our sky with precise borders, not simply a collection of ...
In the days before a GPS, many explorers relied on the North Star to aid them with navigation. The North Star, which is ...