What constellation is Vega in? Lila.

This issue of constellation knowledge brings you knowledge about Vega. Vega is only one-tenth the age of the sun, but because its mass is 2. 1 times that of the sun, its life span is only one-tenth of that of the sun. Both stars are near the middle of their life.

Brief introduction of Vega: Vega, also known as Vega or α-Lyra, is the brightest star in Lyra, ranking fifth in the night sky and the third brightest star in the northern hemisphere, after Sirius and arcturus. Like arcturus and Sirius, it is a star very close to the earth, only 25.3 light years away from the earth; It is also one of the brightest stars near the sun. In the myth of "Cowherd and Weaver Girl" of ancient Han nationality, the Weaver Girl is the granddaughter of the Emperor of Heaven, so it is also called Tiansun.

Astronomers have done a lot of research on Vega, so it is undoubtedly the second most important star in the sky, second only to the sun. Vega was the north star in the northern hemisphere around 12000 BC, and will become the north star again in 13727, when its declination will reach +86 14'. Vega is the first star photographed by human beings outside the sun and the first star with spectral records. It is also one of the first stars to estimate the distance by parallax measurement.

Vega was once the calibration baseline for measuring luminosity and brightness scale, and it was one of the stars used by UBV photometry system to define the average value. In the summer of the northern hemisphere, most observers can see Vega near the zenith, and the apparent magnitude is close to 0, so some professional and amateur astronomers will take Vega as the standard for photometric determination.

In which constellation of Lyra is Vega located? It is also the brightest star in Lyra. Therefore, it is also called Alpha Lyra. Altair is located in the constellation Eagle. It is also the brightest star in Aquila. Therefore, it is also called Alpha Eagle. There are two stars in the same constellation, Beta and Gamma in Aquila, which are side by side with Altair but slightly darker. They were imagined by the ancient working people as the two children of Cowherd.

Cowherd and two children live on the east bank of the Milky Way. The weaver girl was zoned on the west bank of the Milky Way. Vega is located in Lyra. It is also the brightest star in Lyra. Therefore, it is also called Alpha Lyra. Legend. Cowherd and Weaver Girl can only meet at Queqiao on the seventh day of July every year. That day. People on the ground live a festival called Qixi. In memory of the faithful love of Cowherd and Weaver Girl.

What a beautiful legend the ending is This is the fact that reality is often opposed to dreams. Actually. The meeting between Cowherd and Weaver Girl is so far away. The distance between the two planetesimals is about 16 light years.

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