American scientists have discovered a series of seven planets similar to the Earth in terms of size, temperature, air pressure and other conditions, and the miraculous thing is that they all revolve around a large planet called TRAPPIST-1, similar to the Earth's orbit around the Sun.

There are so many strange facts happening this year that I wouldn't be surprised if alien warships were to descend over Earth tomorrow.

"Xuankun Strange History" is floating for three hundred and sixty-five days is in the middle of the hand, please wait a while,

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