The constellation we see _ What is the constellation we see?

What constellations can we clearly see in the summer sky?

Eagle (concerned about Altair) and Lyra (concerned about Vega)

In different seasons, the observed constellations are different.

In summer, we will see a bright white band in the sky. This band of light is called the Milky Way, commonly known as Tianhe. The Milky Way is made up of many stars far away from us. Because these stars are too far away, our eyes can't distinguish them one by one, and they look like a piece of white.

On the east bank of the Milky Way, there is a bright star, and there are two dark stars on both sides of the bright star. These three stars make up a pole. This bright star is called Altair.

On the west bank of the Milky Way, across the river from the Altair, there is a bright star shining with white light, and four darker stars near this bright star form a shuttle shape. This bright star is called Vega.

Altair belongs to Lyra and Vega belongs to Lyra. The well-known story of Cowherd and Weaver Girl in China is based on these two stars.

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1. constellation

In order to understand the starry sky, the Babylonians divided the celestial sphere into many regions, called "constellations". The names of many constellations are the names of animals or people in Greek mythology. At present, there are 88 constellations used in the world, all of which are developed from the ancient Greek constellations. Each constellation can be identified by the special distribution of bright stars.

Step 2 be important

The brightness of celestial bodies is divided and described by magnitude. People divide the stars visible to the naked eye into several grades. The brighter the star, the smaller the magnitude. Stars that are almost invisible to the naked eye are level 6. The magnitude of Sirius is-1.4, the moon is-12.7, and the sun is -26.7. If you want to see stars darker than level 6, you need to use.