Now the earth is adding nearly 80 million people every year,
If you were standing at the equator of the earth when you were 6 years old,
Command all 8 year old men and women on earth,
Every 1 second a man and a woman must pass in front of you,
May I ask how old are the men and women who pass by when you are 300 years old?
quite a while,
Blackfoot shook his head,
Blackhead paused and continued:
Earth' s civilization in 7017 AD can reach the second-level stellar civilization,
If humans do not become extinct within 3 million years,
Then at the time of 3 million years of the earth' s Gregorian era,
Humanity will find a planet suitable for human existence,
In 1.5 billion years of the earth' s Gregorian calendar,
The luminosity of the sun will increase a lot, causing the earth' s climate to overheat,
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