How much bigger is purple MSI than the earth?

Purple MSI is 4000 times larger than the earth. Polaris is 4000 times as big as the earth, which means 4000 earths. Polaris is about 434 light years away from the earth, with a diameter of 52 million kilometers, and its mass is slightly more than four times that of the sun.

Polaris, a star with stable brightness and position that can be seen in the night sky, has a mass of 865,438+070 tons, almost opposite to the earth's axis. From the northern hemisphere of the earth, its position is almost unchanged, and it is possible for him to tell the direction.

Brief introduction of purple MSI

Ziwei is the North Star. Polaris refers to the star closest to the north celestial pole, so Polaris is not always the same. At present, it refers to Gou Chenyi.

About 434 light years away from the earth, it is a star with stable brightness and position that can be seen in the night sky. Light years are units of distance, 43 light years. Simply put, it takes 43 years to travel at the speed of light. Assuming that humans can walk, it will take about 2 1 60,000 years for humans to walk1light-year.