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Shenzhou 12 returns to the earth, why should we make sure the big head is down? How can we...

Unlike many people think, when the spacecraft returns from space, it does not fall vertically, nor does it fall diagonally. In fact, the spacecraft's return capsule enters the dense atmosphere almost horizontally

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Shenzhou 12 went home on the 17th! The Dongfeng Landing Field is 20,000 square kilometers, how can I find a flight...

Shenzhou 12 went home on the 17th!

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The three astronauts will return! After being lifted out of the capsule, the body of space life for 3 months...

International Space Station project China was excluded by the United States, but today we are self-reliant and have our own space station. The Chinese space station construction project is mainly divided into three steps: the key technology verification phase, the construction phase and the operation phase.

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How was dark matter proposed? Does it really exist?

In the previous article, we have finished talking about the foundation of the big bang theory and the series of predictions he made. For example, the big bang theory tells us that the universe started with hydrogen and helium,

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Food additives can actually be used to repel mosquitoes, and the effect is better than that of mosquito repellent?

The emerging metabolic engineering industry extends its products to pest control.

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Why is the "father of telephone" not the inventor of the telephone?

Phone

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The consequences of bursting pulp are not generally serious! Still beating cockroaches with feet and slippers...

The aversion to cockroaches may be innate. This kind of 6 legs and two long tentacles will make most people's creeps, especially when it flies up, it will definitely pray for thousands of people.Don’t rush over, or you don’t hide, and the girls always accompany this loud tip

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