نصیب کی دنیا

 Polar star

 It is the most famous star of the North Pole. It is in the far north. In the northern hemisphere, it is used to determine the directions. This is how the exact north is determined by it. The polar star is clearly visible in the northern hemisphere  Can  There is a huge cluster of stars in the northern hemisphere.  It is called Dub-e-Akbar.  It is named Dub-i-Akbar or Big Bear.  It is also called the twinkle of seven friends. A large bright star is seen in the alignment of these two outer stars. This is called the polar star. These seven friends complete their circle around it in twenty four hours.  The polar star has its own special place. It revolves around its own axis. But it stays in its place. This star is not visible in the hemisphere at the South Pole. It is a star bigger than the sun and ten thousand times more light than the sun.  It is the most permanent thing in the sky. It was discovered in 1929.