This hypothesis is called the astrobiological Copernican principle. If the conditions are right, it will happen fairly from chemical reaction to star formation.
On earth like planets, civilization was formed between 4.5 and 5.5 billion years after star formation, under the strictest assumptions.
They calculated that there are four to 211 civilizations in the galaxy that can communicate with other civilizations today, and 36 is the most likely number. According to the research team, it will take 6120 years for our earth civilization to regenerate and survive before we can realize two-way communication with other advanced civilizations.
Extended reading of Li Jiaqi: there is no two-way companion function in the drop Live Room 618 mobile phone e-commerce promotion: the head brand is busy with the live broadcast, and the small and medium-sized brands have fallen behind the US stock market. The closing price of the stock market is not the same. Stop at Duoduo B and innovate gaojinshan cloud. The price is over 15%. Source: solidot editor in charge: Zhang Zutao_ NT5054