The brightest star in the night sky is not Polaris? Share incredible knowledge of the cold universe.

As we all know, no matter what human beings face, they will have an inertial thinking. For example, I don't know when it started. We think that the brightest star in the night sky is Polaris, but is this really the case? Let's have a look.

In fact, the brightest star in the night sky is not Polaris. Even in human vision, Polaris is not even in the top ten, let alone the sun, moon and other stars. Venus, Sirius, Vega and Altair alone are much brighter than it.

Many people who like astrology will find that we can't find Sagittarius in the night sky. What is the reason? It turns out that in the starry sky, Sagittarius is actually Sagittarius, and Virgo is Virgo, so if you can't find your own constellation in the night sky, don't be confused, maybe you don't know its true face.

Actually, meteor shower is not rain, because even the smallest rain in Mao Mao is much denser than meteor shower. In general, the hourly rainfall of a meteor shower is about 20 to 120, but how can a meteor shower with less than twice a minute be called rain?

Not only that, in fact, meteor shower is a lasting process, not an instant. The active period of a meteor shower is usually as long as 3-5 days, at least 2-4 hours, so as long as you are patient, you will always see it.