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We in North America call it the Big Dipper, but those in Great Britain know it as the Plough. Stargazers in Germany and Scandinavian countries recognize it as a wagon. Its “drinking gourd” shape even ...

Possibly one of the best-known constellations in the northern sky, Ursa Major—or the Great Bear—contains an asterism of seven stars known as the Big Dipper (or, in other countries, the Plough ...