Why do Planes Leave White Streaks in the Sky?

2024/05/1305:03:05 science 132954

Why do Planes Leave White Streaks in the Sky? - DayDayNews

Why do Planes Leave White Streaks in the Sky? - DayDayNews

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Our country has a vast territory and has all kinds of terrains. Among them is a kind of landscape, the cause of which scientists have not been able to figure out yet. The story starts with NASA satellites in the United States in 2014. When they passed through the sky over Inner M - DayDayNews

Our country has a vast territory and has all kinds of terrains. Among them is a kind of landscape, the cause of which scientists have not been able to figure out yet. The story starts with NASA satellites in the United States in 2014. When they passed through the sky over Inner M

American satellites have made a major discovery: There is an "Eye of the Desert" in Inner Mongolia, China! The cause is a mystery

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Click to read the relevant answers. The reasons are nothing more than: high academic pressure, low employment rate, too bald to engage in scientific research in the laboratory, etc., which has led to endless voices in society "dissuading people from studying biology". - DayDayNews

Click to read the relevant answers. The reasons are nothing more than: high academic pressure, low employment rate, too bald to engage in scientific research in the laboratory, etc., which has led to endless voices in society "dissuading people from studying biology".

Yale Ph.D.: This major has deceived me for fifteen years, and finally I found that I made a profit

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Generally speaking, in the weightless environment of space, water should float in the air and assume a spherical shape, as shown in the picture below. However, during the Shenzhou 13 space lecture, a photo of a water cup caused some confusion. From the picture, it can be seen tha - DayDayNews

Generally speaking, in the weightless environment of space, water should float in the air and assume a spherical shape, as shown in the picture below. However, during the Shenzhou 13 space lecture, a photo of a water cup caused some confusion. From the picture, it can be seen tha

Why doesn’t the water on the space station float out of the cup?

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Introduction: What is the "purple grape" plant commonly seen on the roadside? Are its fruits edible? Why? As the saying goes: Knowledge is treasure, ignorance is grass. In the mountains in the countryside, there are all kinds of plants everywhere. Any plant is valuable to someone - DayDayNews

Introduction: What is the "purple grape" plant commonly seen on the roadside? Are its fruits edible? Why? As the saying goes: Knowledge is treasure, ignorance is grass. In the mountains in the countryside, there are all kinds of plants everywhere. Any plant is valuable to someone

What is the "purple grape" plant commonly seen on the roadside? Are its fruits edible? Why?

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The 6,000-meter deep sea is a world that is difficult for humans to reach. Some scientists once said that compared with the detection of the deep sea world, space exploration may be simpler. The deep sea is always deep and mysterious. During the Cold War between the United States - DayDayNews

The 6,000-meter deep sea is a world that is difficult for humans to reach. Some scientists once said that compared with the detection of the deep sea world, space exploration may be simpler. The deep sea is always deep and mysterious. During the Cold War between the United States

2.53 meters long! Strange fish found 2,000 meters deep in Japan, looks fierce: Experts think it is unusual

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Some people say that the pyramid we saw is not a mausoleum at all. So what exactly is it? There are many incredible things about the structure of the pyramid. What is behind it? All the pyramids on Earth are on volcanic lines! Volcanoes are underground energy reserves! We can thi - DayDayNews

Some people say that the pyramid we saw is not a mausoleum at all. So what exactly is it? There are many incredible things about the structure of the pyramid. What is behind it? All the pyramids on Earth are on volcanic lines! Volcanoes are underground energy reserves! We can thi

Some people say that the pyramid is not a mausoleum at all. What is the secret behind it?

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"Genius is on the left, madman is on the right." "The ultimate genius is madness, and the ultimate madness is genius." Regarding this point of view, some people agree and some do not. - DayDayNews

"Genius is on the left, madman is on the right." "The ultimate genius is madness, and the ultimate madness is genius." Regarding this point of view, some people agree and some do not.

26 years ago, the high school student who built a "nuclear reactor" at home later died of alcoholism and poisoning

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At present, investment institutions prefer the layout of technology platforms. Nucleic acid drugs have overcome the "difficult-to-drugability" and "undruggability" problems of traditional drugs, and have various advantages such as short research and development cycles, high resea - DayDayNews

At present, investment institutions prefer the layout of technology platforms. Nucleic acid drugs have overcome the "difficult-to-drugability" and "undruggability" problems of traditional drugs, and have various advantages such as short research and development cycles, high resea

Be wary of wasted investments and prefer investing in technology platforms! Nucleic acid drug research and development is not hot enough

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Although infinity is a rather illusory and abstract concept, and it is quite taboo in physics to use any definition of "infinite", it is still a very interesting question. Let's not talk about "infinitely long" ladders for now. Perhaps it is more acceptable to use "long enough". - DayDayNews

Although infinity is a rather illusory and abstract concept, and it is quite taboo in physics to use any definition of "infinite", it is still a very interesting question. Let's not talk about "infinitely long" ladders for now. Perhaps it is more acceptable to use "long enough".

Can we use an infinitely long ladder to leave the earth without reaching the first cosmic speed?

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There is a plot in science fiction movies where a person is frozen in ice due to an accident. When he thaws out and wakes up again hundreds of years later, he faces a completely different world than before. - DayDayNews

There is a plot in science fiction movies where a person is frozen in ice due to an accident. When he thaws out and wakes up again hundreds of years later, he faces a completely different world than before.

The world's first frozen man took 2 years to thaw. Has he been successfully awakened?

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Especially in the aerospace field, everyone is scrambling to be the first. Since ancient times, the weak will choose to emulate the strong, so many countries regard the United States as an example for them to learn from and as a goal to pursue. - DayDayNews

Especially in the aerospace field, everyone is scrambling to be the first. Since ancient times, the weak will choose to emulate the strong, so many countries regard the United States as an example for them to learn from and as a goal to pursue.

Is there only a 15-year gap between the aerospace capabilities of China and the United States? Aerospace academician: The real gap may be far more than that

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Text | "China Science News" reporter Zhang Shuanghu 35 years ago, when the National Natural Science Foundation of China Youth Science Fund (hereinafter referred to as the Youth Fund) project was established, it was "reserved" for a young person for one year. Immediately afterward - DayDayNews

Text | "China Science News" reporter Zhang Shuanghu 35 years ago, when the National Natural Science Foundation of China Youth Science Fund (hereinafter referred to as the Youth Fund) project was established, it was "reserved" for a young person for one year. Immediately afterward

Academician Deng Zixin: After receiving 50,000 yuan from the Youth Fund, my mood is no less than the millions today

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On June 23, the Changer Dingyao 64 rocket lifted off from the Xichang Satellite Launch Center, sending three remote sensing satellites of the Ministry of Agriculture and Rural Affairs 3502 Group A, B, and C into low Earth orbit. However, this is not all of its mission. According - DayDayNews

On June 23, the Changer Dingyao 64 rocket lifted off from the Xichang Satellite Launch Center, sending three remote sensing satellites of the Ministry of Agriculture and Rural Affairs 3502 Group A, B, and C into low Earth orbit. However, this is not all of its mission. According

The arrival of China’s solar sail is not the first time it has entered space. We cannot miss it anymore in the new era of navigation.

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I wonder if you have noticed a special-looking plant when you often go to the river in summer. There is a wetland park near my home. In the summer, I will go to the wetland park with my family. When passing by a place with water, I can see a plant that looks like a sausage, becau - DayDayNews

I wonder if you have noticed a special-looking plant when you often go to the river in summer. There is a wetland park near my home. In the summer, I will go to the wetland park with my family. When passing by a place with water, I can see a plant that looks like a sausage, becau

Cattail: looks like a "sausage" and is common near water. It has many values and is full of treasures.

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The World Meteorological Organization stipulates that when a certain climate element(s) reaches a return rate of 25 years, it is called an extreme climate. Extreme climates include droughts, floods, high-temperature heat waves, and low-temperature cold damage. As pollution become - DayDayNews

The World Meteorological Organization stipulates that when a certain climate element(s) reaches a return rate of 25 years, it is called an extreme climate. Extreme climates include droughts, floods, high-temperature heat waves, and low-temperature cold damage. As pollution become

Abnormal weather will occur in many places in 2022! Are Hawking's climate predictions credible? Analysis: Be wary of extremes

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Modern science believes that our universe was born 13.8 billion years ago. 13.8 billion years ago, a singularity exploded. The singularity is an infinite mass, infinite energy, infinite heat, infinite mass, and infinite density. Large, infinitely small point. After the explosion - DayDayNews

Modern science believes that our universe was born 13.8 billion years ago. 13.8 billion years ago, a singularity exploded. The singularity is an infinite mass, infinite energy, infinite heat, infinite mass, and infinite density. Large, infinitely small point. After the explosion

There is a gravitational source outside the orbit of Pluto. Scientists: It may be the legendary ninth planet

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The world is so big and full of wonders! Let me first ask the boys a question: Is it easy for you to find a girlfriend? Do you have the confidence and ability to find a girlfriend who is willing to accompany you through hardships and poverty? I think many boys will burst into tea - DayDayNews

The world is so big and full of wonders! Let me first ask the boys a question: Is it easy for you to find a girlfriend? Do you have the confidence and ability to find a girlfriend who is willing to accompany you through hardships and poverty? I think many boys will burst into tea

My girlfriend wanted to turn on the air conditioner, but her boyfriend scolded her for wasting 5 yuan. Netizen: A new level of sourness.

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Information about the new work of the super popular comic book Slam Dunk has been revealed and made public recently. The content of this new work has made many old fans look forward to it. After all, this is a long-awaited new work, and for Officials have not disclosed much detai - DayDayNews

Information about the new work of the super popular comic book Slam Dunk has been revealed and made public recently. The content of this new work has made many old fans look forward to it. After all, this is a long-awaited new work, and for Officials have not disclosed much detai

Slam Dunk's new movie is set for the fall of 2022, and the national competition in my lifetime is coming

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In the past two days, there have been rumors in the circle of friends that the movie version of "Slam Dunk" is scheduled to be released. Although the film studio has not announced the specific release date and content, only revealing that it will be released in the autumn of 2022 - DayDayNews

In the past two days, there have been rumors in the circle of friends that the movie version of "Slam Dunk" is scheduled to be released. Although the film studio has not announced the specific release date and content, only revealing that it will be released in the autumn of 2022

The movie version of "Slam Dunk" will be released in the fall of 2022. Will it be released simultaneously in China?

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These three kinds of vegetables can be planted in pots on the balcony. They are greener and more beautiful than the flowers. They keep growing leaves and you can’t finish them! The balcony can not only grow flowers, but also vegetables. Some green leafy vegetables are green, lush - DayDayNews

These three kinds of vegetables can be planted in pots on the balcony. They are greener and more beautiful than the flowers. They keep growing leaves and you can’t finish them! The balcony can not only grow flowers, but also vegetables. Some green leafy vegetables are green, lush

These three kinds of vegetables can be planted in pots on the balcony. They are greener and more beautiful than the flowers. They keep growing leaves and you can’t finish them all.

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Do you know how to raise asparagus? Feed some "dessert", the leaves will be lush green and no yellow leaves! Asparagus is a very popular foliage flower now. The leaves are evergreen all year round, slim and lush, and have high ornamental value. Choose an exquisite flowerpot to pl - DayDayNews

Do you know how to raise asparagus? Feed some "dessert", the leaves will be lush green and no yellow leaves! Asparagus is a very popular foliage flower now. The leaves are evergreen all year round, slim and lush, and have high ornamental value. Choose an exquisite flowerpot to pl

Do you know how to raise asparagus? Feed some "dessert", the leaves will be lush green and no yellow leaves will appear

05/23 1691

Nowadays, living conditions are getting better and better, and everyone's requirements for diet are getting higher and higher. Today I recommend 3 "beautiful" dishes to everyone. Women often eat them to nourish and moisturize their skin, and their complexion will be good! - DayDayNews

Nowadays, living conditions are getting better and better, and everyone's requirements for diet are getting higher and higher. Today I recommend 3 "beautiful" dishes to everyone. Women often eat them to nourish and moisturize their skin, and their complexion will be good!

Women don’t want bad skin! Doctor: 3 "beautiful" dishes, moisturizing, nourishing and anti-aging

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