variable star

Due to the force of gravity in the binary star system, the star HD74423 in the Milky Way is pulled distorted to one side.

The North Star (SBC) is not the brightest star, but its brightness is only average. In the ranking of the brightest stars, SBC did not even reach the top 40 but only ranked 48th.

Evidence from the Cairo calendar showed that the ancient Egyptians soon discovered