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In astronomia, un asterismo è un qualunque gruppo di stelle visibile nel cielo notturno, riconoscibile dal resto per la sua particolare configurazione geometrica. Ad esempio, un gruppo di stelle luminose che appaiono come i vertici di un triangolo in mezzo a un campo più grande di stelle poco visibili è un asterismo. Si tende a riservare la ...
Asterisms are familiar patterns of stars that are not constellations. Learn about some well-known asterisms, such as the Big Dipper, the Summer Triangle, and the Winter Circle.
Asterisms range from simple shapes of just a few stars to more complex collections of many stars covering large portions of the sky. The stars themselves may be bright naked-eye objects or fainter, even telescopic, but they are generally all of a similar brightness to each other.
16 set 2020 · Learn what asterisms are and how to find them in the sky. Discover 10 easy-to-spot asterisms in the fall, winter, spring, and summer, with stories and images.
An asterism is a pattern of stars that is not a constellation, such as the Big Dipper or the Summer Triangle. Learn about the history, types, and uses of asterisms and constellations from Britannica's editors.