What constellations will appear in the sky in spring, summer, autumn and winter?

Spring constellation: In the southern sky, we can see Cancer, Leo and Virgo. Further south, there is a huge Ophiuchus. Connecting the five emperors of Leo, Virgo and Capricorn form a triangle, which is called the "Spring Triangle". In the northern sky, we can see the Big Dipper.

Summer constellation: Sagittarius and Scorpio can be seen lying on the beautiful river in summer. The red star Antares indicates that summer has arrived. Looking up at the sky along the edge of the Milky Way, Vega in Lyra, Cowherd in Aquila and Tianjin IV in Cygnus form the "Summer Triangle".

Autumn constellation: There are few bright stars in the autumn night sky. In the southern sky, we can see Pegasus, and further south, there are Aries, Aquarius, Pisces, Pisces and so on. The biggest thing in the autumn sky is the Andromeda Nebula, which is as hazy as a cloud. In the northern sky, we can see the beautiful Cassiopeia.

Winter constellation: The starry sky in winter night is the noisiest in a year. In the southern sky, we can see two constellations with first-class stars, Orion, Taurus, Yufu, Small Dog and Big Dog. Betelgeuse, Nanhesan and Sirius form the "Winter Triangle".