Fortune Telling Collection - Horoscope - In Beijing, which of the following options is a constellation that can be seen all year round? A, Lyra B, Leo C, Ursa minor D, Guanbei
In Beijing, which of the following options is a constellation that can be seen all year round? A, Lyra B, Leo C, Ursa minor D, Guanbei
Ursa minor, the name of the constellation, is the Polaris constellation closest to the north celestial pole. Both Ptolemy and Modern Eighty-eight constellations include Ursa minor. Ursa minor marks the position of the north celestial pole, and Alpha Ursa minor, the brightest star in the constellation, is the current Polaris.
Extended data:
Like Ursa Major, Ursa Major's tail can also be regarded as the handle of a bucket (or spoon), so it is called "Little Beidou": four of the seven stars form a ladle on the bucket, just like the Big Dipper.
Ptolemy, an astronomer in the 2nd century A.D., incorporated Ursa minor into its 48 constellations, and since then it has become one of the 88 modern constellations. Traditionally, Ursa minor is an important navigation constellation, especially in navigation, because the first constellation in Ursa minor is Polaris.
Baidu encyclopedia-Ursa major
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