What constellation is Altair _ What constellation is Altair?

What constellation does the Cowherd and the Weaver Girl belong to?

Cowherd and Weaver Girl come from the famous myths and legends in China. They are not only the two protagonists in fairy tales, but also the two stars that can be seen occasionally in the night sky. They belong to different constellations and are much closer to the earth than other stars except the sun, which is why they are noticed by human beings.

What constellation does the Cowherd and the Weaver Girl belong to?

Altair belongs to the constellation Aquila. It is very hopeful to see it in the night sky in the northern hemisphere in summer and autumn, perhaps even with the naked eye, because its luminous ability is very strong, about 9 times that of the sun, and its whole body is silvery white. The speed of Altair, the star with the twelfth luminosity in the whole day, is 26 km/s, and its rotation speed is as high as 1027000km/h, which is about 60 times that of the sun! Its surface temperature is 2000℃ higher than that of the sun. So Altair is not a nearly perfect sphere like the sun, and its rapid rotation makes it fatter than the earth.

What constellation does Vega belong to?

Vega belongs to Lyra, also known as Vega I, and the whole star belongs to an ellipsoid with two colors. The North Pole is pale pink and the equator is blue. Because of its fast rotation speed (Vega rotates once every 12.5 hours), the whole star is flat, and the equatorial diameter ratio is 23%. Next to Vega, four stars form a small diamond. Legend has it that this small diamond is a shuttle used by the weaver girl to weave cloth. While weaving, the weaver girl looked at the Altair on the other side of the galaxy.

Fairy Tales of Altair and Vega

Besides Altair and Vega in the night sky, China also has her own fairy tales about them. In ancient China, July 7th was the day when Altair and Vega met. It is said that a cruel queen mother tore off the golden hairpin on her head and asked for it. In an instant, a galaxy fell from the sky, separating the two lovers forever. Legend has it that their experience touched God, and they were allowed to meet once a year on the seventh day of July. Every day, all the magpies in the world come to the edge of the Milky Way and build a magpie bridge for the couple to meet across the river. This story has been passed down from mouth to mouth.

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