What are the stars in the sky for?

The brightest stars in different periods are different! The brightest star at night is Sirius, and the brightest planet is Venus. The brightest in the daytime is obviously the sun. September: On the evenings of September/KLOC-0 and 2, 2005, Venus and Jupiter were the closest. At this time, Venus is the brightest star in the sky, and the brightness of Jupiter is second only to Venus. The two brightest stars are very close together, which is very worth seeing. Venus! Also known as Taibai, what appears in the east at dawn is called the morning star, and what appears in the west is called the evening star, so now Venus is also called the evening star. Venus is the brightest star in the sky. If the conditions are suitable at the brightest time, such as sufficient horizon height, darkness, transparent atmosphere and minimal light damage, it is the only star that can cast shadows. 25438+65438+1 October: Orion hunter entered the northern hemisphere sky at1month. The three stars on the hunter's belt point to Sirius, the brightest star in the night sky, which is rising from the tree. On the head of a big dog is the famous Sirius, the brightest star in the sky (except the sun, of course). During the solar eclipse, Uranus is closest to the earth and its brightness reaches its brightest, which is a good opportunity for observation.

The shape of the constellation is difficult to answer. With so many constellations, how do I know which one you are asking?