Some stars and constellations are ever-present in the night sky; Polaris, for example, has served as a steady guiding light for millennia in the Northern Hemisphere. But if you look closely at the sky ...

The term “constellation” evokes several denotations. The most familiar is “a grouping of naked-eye stars sometimes connected by imaginary lines or superimposed by illustrations to suggest images, ...

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Ursa Major, also known as the Great Bear, is the third-largest constellation in the sky and the largest constellation in the Northern Hemisphere. It includes the Big Dipper asterism and is one of the ...