Skyhawk Myth _ Skyhawk Myth Video

What constellation is Cowherd and Weaver Girl? Are they two stars?

Cowherd and Weaver Girl are not only fairy tales I heard when I was a child, but also stars in the sky. Probably people make up stories according to constellations. Do you also like the story of the Cowherd and the Weaver Girl? Do you know their constellations? The following small series will bring you what constellation the Cowherd and the Weaver Girl are. Let's have a look.

About Altair

The official name of Altair in China is Heguji; It combines with several other stars to form a constellation called Skyhawk. Altair is the brightest star in Aquila, which can be clearly seen by naked eyes in the night sky in the northern hemisphere. This star is hotter and younger than the sun, and its diameter is about twice that of the sun. The rotation speed of Altair equatorial region is as high as 654.38+0.027 million kilometers per hour, which is about 60 times the rotation speed of the sun! Therefore, Altair is not a nearly perfect sphere like the sun, and its "waist circumference" is obviously enlarged and becomes a flat ellipsoid.

About Vega

Vega is a oblate star, the north pole is pale pink, and the equator is blue and white. The radius of Vega is about 2.362 (semi-minor axis) × 2.8 18 (semi-major axis) R⊙, the mass is about 2. 135 0.074m ⊙, and the surface temperature is about 9602 180k, which is blue and white. Its autobiographical speed is quite fast, the equatorial rotation speed is as high as 274 km/s, the huge centrifugal force makes the equator protrude outward, and the temperature change reaches the maximum at the pole through the surface of the photosphere. It is one of the three brightest stars in the northern hemisphere sky, about 25 ly away from the earth.

China myth about Altair and Vega

After knowing what constellations Cowherd and Weaver Girl are, Bian Xiao will show you some legends about them in China. According to legend, in the ancient place of Joan, there lived a loving couple. Later, when his wife died, the husband felt very lonely and secretly prayed that he could ascend to heaven as soon as possible so that he could meet his wife. After her husband died, the crane really took him to heaven and became a morning glory. Unfortunately, the husband and wife are separated by the Tianhe River, one in the east and the other in the west, so they can't meet at ordinary times. Heavenly Emperor was deeply moved by them, and let them cross the bridge built by magpies on the seventh day of July every year. This is what people often say when the Cowherd and the Weaver Girl meet at the Magpie Bridge.

Generally speaking, what constellation is Cowherd and Weaver Girl? Cowherd and Weaver Girl are two stars like the sun, and they can also glow by themselves. Altair and Vega are far away from us! Altair 16 light years, Vega 27 light years. The distance between them is also very far, which is 16 light years.

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