in the autumn sky of the Northern hemisphere, which constellation is shaped like a W or an inverted M?
Beta Cassiopeiae autumn and spring equinox. With a mean apparent magnitude (V-band) of +2.27, it is one of the five stars which make up the 'W' of Cassiopeia, adjacent to the just brighter Schedar (Alpha Cassiopeiae). SN 1572, traditionally known as Tycho's Star, appeared about 5 degrees to the northwest of Caph in 1572. As a star in the deep northern hemisphere of the sky, Beta Cassiopeiae is prominent to viewers in the northern hemisphere but not often seen by those in the southern hemisphere. The constellation of Cassiopeia does not rise above the horizon to viewers in Tasmania, and only low
Constellation the sky" whose head is formed by the Coalsack, a dark nebula, instead of the stars. "General & Nonspecialized – Entire Celestial Heavens": "Northern Celestial Hemisphere & North Circumpolar Region": "Equatorial, Ecliptic, & Zodiacal Celestial Sky": "Southern Celestial Hemisphere & South Circumpolar Region": Constellation A constellation is a group of stars that forms an imaginary outline or pattern on the celestial sphere, typically representing an animal, mythological person or creature, a god, or an inanimate object. The origins of the earliest constellations likely go back to prehistory. People used them to relate stories of their beliefs, experiences, creation, or mythology.