What is the first star of Orion, the most magnificent constellation in the whole day?

Constellation science from the west has become more and more popular all over the world in modern times, but although the 12 constellation is well known to the public, some constellations are not included in the 12 constellation, but it is also very worth discussing. Today, Bian Xiao will discuss with you what is the first star of Orion.

The meaning of Orion

Orion is the most magnificent constellation in the whole day and one of the zodiac constellations. Located between Gemini, Unicorn, Canis Canis, Taurus Rabbit, Bojiang and Canis Canis, its northern part is immersed in the Milky Way. The main body of the constellation consists of four bright stars, Betelgeuse and Betelgeuse, forming a quadrilateral. In the center of the quadrangle, there are three bright stars in a straight line, which should be a belt tied around the hunter's waist. In addition, under these three stars, there are three little stars, which are swords hanging on the belt. The whole image is like a brave hunter, with his head held high, which is very spectacular and has been noticed by people since ancient times.

Definition of first-class star

The brightness of a star is closely related to its temperature. With the naked eye, we can distinguish the different brightness among the stars. According to different brightness, ancient humans divided starlight into six grades, 1 being the brightest and 6 being the darkest. The brightness difference of each star is 2.5 1 1 times, and the actual brightness difference of 1 and six stars is 100 times. Alpha is Betelgeuse with an apparent magnitude of about 0.58. It is an M2Iab red Supergiant star with a diameter ranging from 700 times that of the sun to 1000 times. Beta star is Betelgeuse, with apparent magnitude ranging from 0.08 to 0.20, and its diameter is 77 times that of the sun.

Analysis of proverbs about Orion

In addition, there are many proverbs about the first star of Orion. "Samsung will celebrate the New Year due south", which is the experience accumulated in ancient astronomical observation. It is three stars in the middle of Orion, surrounded by four stars. Taurus is in the west and north, Canis canis in the east and Gemini in the northeast. The so-called "three stars are shining high" means those three stars. "Three stars are due south, and the New Year is coming" are the three stars in the middle of Orion. Whenever these three stars are due south, it will be the Spring Festival soon.

In fact, to put it bluntly, Orion refers to the most magnificent constellation in the whole day, mainly located in the equatorial belt. From the above, we can also see that there are many proverbs about Orion. The above is the explanation about the first star of Orion. Interested friends can collect more information about the first star of Orion.

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