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Why did the alien civilization not come to visit the earth? Scientists say: the cost of visiting the earth is too high
Why did the alien civilization not come to visit the earth? Scientists say: the cost of visiting the earth is too high
If the sun is removed by advanced civilization, how long will it take for humans to discover it?
If the sun is removed by advanced civilization, how long will it take for humans to discover it?
27 years ago, without the protection of Jupiter, mankind might have withdrawn from the stage of history
27 years ago, without the protection of Jupiter, mankind might have withdrawn from the stage of history
The earth was formed 4.6 billion years ago, and the inside is a high-temperature world. Will there be a day of cooling down?
The earth was formed 4.6 billion years ago, and the inside is a high-temperature world. Will there be a day of cooling down?
The first pictures of the Mars Rover Zhurong have been released, and a different Mars can be seen from a clearer perspective.
The first pictures of the Mars Rover Zhurong have been released, and a different Mars can be seen from a clearer perspective.
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Why did the alien civilization not come to visit the earth? Scientists say: the cost of visiting the earth is too high
Why did the alien civilization not come to visit the earth? Scientists say: the cost of visiting the earth is too high
June 12, 2021
If the sun is removed by advanced civilization, how long will it take for humans to discover it?
If the sun is removed by advanced civilization, how long will it take for humans to discover it?
June 12, 2021
27 years ago, without the protection of Jupiter, mankind might have withdrawn from the stage of history
27 years ago, without the protection of Jupiter, mankind might have withdrawn from the stage of history
June 12, 2021
The earth was formed 4.6 billion years ago, and the inside is a high-temperature world. Will there be a day of cooling down?
The earth was formed 4.6 billion years ago, and the inside is a high-temperature world. Will there be a day of cooling down?
June 12, 2021
Three real but unexplainable scientific problems, each of which plagues the scientific community
Three real but unexplainable scientific problems, each of which plagues the scientific community
May 05, 2021
If the spacecraft is too fast, will it be destroyed by cosmic debris? The probability is so small that you don’t believe it
If the spacecraft is too fast, will it be destroyed by cosmic debris? The probability is so small that you don’t believe it
May 06, 2021
The evolutionary path that life generally chooses is aging, not immortality. Why?
The evolutionary path that life generally chooses is aging, not immortality. Why?
May 06, 2021
Why should the earth’s oxygen content be maintained at about 21%? What are the consequences of high oxygen content?
Why should the earth’s oxygen content be maintained at about 21%? What are the consequences of high oxygen content?
May 06, 2021
Why did the alien civilization not come to visit the earth? Scientists say: the cost of visiting the earth is too high
Why did the alien civilization not come to visit the earth? Scientists say: the cost of visiting the earth is too high
June 12, 2021
If the sun is removed by advanced civilization, how long will it take for humans to discover it?
If the sun is removed by advanced civilization, how long will it take for humans to discover it?
June 12, 2021
Featured Posts
Why do people think that aliens are better than humans? Determined by the distance of the universe
Why do people think that aliens are better than humans? Determined by the distance of the universe
June 06, 2021