Think about how far the stars are from us.

After reading a classic, I believe everyone has gained a lot of knowledge. It's time to go back and write a review. Want to know how to write your thoughts after reading? The following is a sample essay (8 general articles) about how far the stars are from us, which is for reference only and I hope it will help you.

How far are the stars from us? 1 Do you know how far the stars are from us? Last week, I read the book How Far Are the Stars from Us, which told me a lot about astronomy and made me understand a lot.

The book says that there are millions of stars in the cluster of the Milky Way, and they form a team. Some stars are far away from us and some are close to us. The brighter the stars look, the closer they are to us. The farthest galaxy is more than10 billion light years away.

This book was written by Bian Yulin, a famous popular science expert. This is a book about astronomy. The "stars" in How Far Are the Stars from Us are not just the stars we see, but the constellations, the sun and the moon in the universe ... This book is very well written and introduces us to the door of mysterious astronomy. Astronomy is a mysterious and fascinating subject, which studies what is visible and intangible. This book uses some modern things, which is in sharp contrast with previous daydreams.

At night, the stars twinkle in the sky. Who can tell me how far the stars are from us? Those grotesque stars let us explore the mysteries of space. Great men are struggling for this, and they explore the universe with faith. In the 2 1 century, people are still attacking the Milky Way ... I don't know much about this book, but it left a deep impression on me.

This book has beautiful language and rich content, which makes us unable to put down our hands when reading. Please read this book if you have the chance. Come and have a look!

How far are the stars from us? At night, the stars twinkle overhead. Whenever I look up at the starry sky, there is always a question-how far are the stars from us?

How far are the stars from us describes how to measure the distance of some astronomical targets with trigonometry, Kepler's law, transit of venus, stars and aberration, and many interesting stories and pictures are inserted in the book. Make this book look lively and interesting, and let readers wander in the galaxy.

How far are the stars from us? It is like a "celestial ruler", measuring the distance from every variable star, galaxy and galaxy to us, so that we can truly appreciate the vastness of the universe. It has also brought our curiosity about space closer.

Various physical models, the "period-luminosity relationship" of variable stars, the "red shift" law of galaxies and so on. Let us see the diligence and efforts of astronomers, and even insist on the truth from generation to generation, which has laid a milestone for us to explore the starry sky.

From variable stars to supernovae, from democritus to Kant, vivid historical stories and the discovery of planets are the painstaking efforts of thousands of astronomers in Qian Qian. They not only let us see the complete galaxy, let us know more about astronomy, but also give us the motivation to explore galaxies.

How far are the stars from us? We are introduced to the dimming period of some variable stars, the concepts of magnitude and absolute magnitude, the relationship between star spectrum and magnitude, the feasibility and limitation of spectral trial and error method, globular clusters ... which make you marvel at the ingenious methods of scientists.

The stars are far away from us. We can see and touch them, but we won't stop exploring.

Cover the aftertaste, through the ages, people look up at the sky, starry, concerned about Tianhe, dark, charming autumn night. How many people revel in this picturesque scenery.

How far are the stars from us? This week, I finished reading how far are the stars from us, from which I realized the vastness of the universe and the magnificence of the planet.

This book mainly tells the distance between some planets in the solar system and our earth and the method of measuring the distance. This book first introduces the moon, because the moon is the closest planet to the earth. Before man landed on the moon, people had been exploring the distance between the earth and the moon, which made many scientists have a headache. However, some scientists have thought of a way: first launch radar waves to the moon, calculate the round-trip time, and then calculate the approximate distance according to the radar propagation speed. Of course, this data is only an approximate value. With the continuous progress of human science, the distance from the earth to the moon is about 380 thousand kilometers.

When people landed on the moon, they turned their eyes to the sun, the center of the solar system. The sun is an immobile star, which is farther away from the earth than the earth is from the moon. Now mankind has built the fastest plane-1 sec1km, but it will take four years and nine months to fly to the sun, which shows that the sun is very far away. However, scientists have figured out a way: when Venus is just in front of the earth in orbit, scientists can emit radar waves from the two poles of the earth, measure the angle between Venus and the sun, and measure the parallax distance by parallax method, and then we can get the distance between the sun and the earth.

Scientists regard the distance between the sun and the earth as the unit of length-astronomical unit. This "ruler" has been used ever since. People use this ruler to measure the distance between Mars, Venus, Neptune and other planets. At present, people have measured the distance between stars in many galaxies. The farthest galaxy measured by humans is about10 billion light-years away from the solar system, which shows the vastness of the universe!

After reading this book, I feel the vastness of the universe, and the contribution of human beings to exploring the universe is attributed to scientists. Therefore, only by studying hard can we make contributions to the motherland.

How far are the stars from us? Since ancient times, the boundless sky, the vast land and the bright stars are mysterious behemoths in people's hearts. In the early Tang Dynasty, Lu Ziang boarded Youzhou Taiwan alone, and was in this vast world, giving a sigh of "I miss heaven and earth, and there is no limit". Yes, compared with the whole world, the whole solar system and even the whole galaxy, human beings are really too small.

Take the earth where we live as an example. After precise testing by many scientists, the meridian arc length on the earth is 1 1 1. 13 km？ The radius of the equator is 6378. 137 km, and the sun is nearly1300,000 times as close as the earth and1280,000 km away from the earth. Even the nearest moon is 384,400 kilometers away. It seems that the huge earth in people's eyes is just a drop in the ocean in the universe, not to mention people themselves!

However, although Chen Ziang's "I miss heaven and earth, and there is no limit" made us feel small, Qu Yuan's "crossing the river" inspired us to reconsider. Man is indeed small, but isn't it great that such a small man can measure such a huge universe and explore its mysteries?

Since ancient times, scientists from all over the world have been exploring the unknown universe unremittingly. Chinese scientists and monks made the first meridian measurement in the world. Aristak and Iba Valley respectively measured the volume of the moon and the distance between the moon and the earth. French astronomers Llakaj and Lalander invented the trigonometric algorithm. In addition, Llakaj spent a lot of energy to make a catalogue, and he was less than 50 years old when he died; Later, Kepler's famous three laws were born, and he was called the "sky legislator", but he was eventually poor and sick; British astronomer Halley took advantage of transit of venus to measure the parallax of the sun and discovered the famous "Halley's Comet". Copernicus, the founder of modern astronomy, used his life to write down the theory of celestial bodies. When a newly published theory of celestial bodies was delivered to him, he was already dying. Although Flawn Hof only lived to be 39 years old, he made the angle accuracy of the telescope reach an unprecedented level.

At all times and in all countries, too many scientists have made obscure contributions to astronomy. Faced with tedious and huge calculation work and one measurement bottleneck after another, they never flinched. Instead, I used my wisdom and efforts to make my own efforts for mankind to know more about the vast universe. Because of their existence, small human beings become great.

Greatness and smallness are two completely different images, but the hard work and brilliant achievements of countless astronomers have built a strong and tall bridge between these two images.

How far are the stars from us? On a summer night, the stars shine. Looking at the stars in the sky, I silently read "The Market in the Sky", and I can't help thinking, is there really only a "not too wide Tianhe" between the cowherd and the weaver girl? So, I picked up this book, How Far Are the Stars from Us, and opened the first page. After reading it, I realized that if the Cowherd and the Weaver Girl really want to meet, it will take 16 years to travel at the speed of light, and it is impossible to meet once a year.

While reading, I found that astronomy is an infinite and fascinating subject. This book lays out the process of creating "celestial ruler" by astronomers in past dynasties, and introduces us to the moon and other celestial bodies from near to far. This book not only contains rich scientific knowledge, but also introduces historical figures and backgrounds. Let readers understand the spirit of historical figures exploring astronomy while understanding science. This book is fresh in conception, rigorous in logic and fluent in writing. The astronomical stories told by the author are vivid and interesting, which is a rare masterpiece of astronomical science. Through reading this book, I know that science is actually a wonderful art, and everyone can enter science, just like listening to classical music, with a gradual process. This process is rich and colorful, and this book is the only way to cultivate our scientific interest. Whenever night falls quietly, looking at the quiet sky, the bright moon is in the sky and the stars are woven, the vast universe always fascinates people on the earth. It is precisely because of our perception, understanding and observation that some knowledge is a drop in the ocean that we will explore the mysteries of the universe more persistently.

How far are the stars from us? Do you know how far the stars are from us? Last week, I read the book How Far Are the Stars from Us, which talked about a lot of astronomical knowledge, and I learned a lot through reading. I know many stars and constellations that I didn't know before. The new stars are: eros, Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune.

The book says that there are millions of stars in the cluster of the Milky Way galaxy, and they form a team, just like the police are divided into several teams. Some stars are far away from us and some are close to us. The brighter the star's light looks, the closer it is to us, the darker the star's light looks and the farther it is from us. The farthest galaxy is more than10 billion light years away.

The moon is the first stop for human beings to fly out of the earth and step into space, and it is the planet where human beings have left footprints outside the earth so far. The moon seems to be an immortal "sky lamp". The description of the starry sky in the book is very beautiful, as if it brought us into the artistic conception of the beautiful starry sky.

After reading this book, I learned something, but I still don't understand a lot of knowledge in the book. I don't know what "triangulation" is, and I don't know the distance of "parsec", but I will definitely understand it through study in the future. I am very happy to be friends with this book. In the future, I will learn more about astronomy.

This book was written by Bian Yulin, a famous popular science expert. The "star" in How Far Are the Stars from Us does not simply refer to the stars we see, but to the constellations, the sun and the moon in the universe. This book is very well written and leads us to the door of mysterious astronomy. Astronomy is a mysterious subject that fascinates us. It studies tangible and intangible things, but it fascinates us with these tangible and intangible things. This book uses some modern things, which is in sharp contrast with previous daydreams. It shows the author's love for the sky and people's praise for the sky. Moreover, this book is beautiful in language and rich in content, which makes us fondle admiringly when reading. If you have a chance, please read this book, too!

At night, the stars twinkle in the sky. Who can tell me how far the stars are from us? Stars of different shapes let us explore the mysteries of space. Great men are fighting for this cause, and their faith will explore the universe. In the 2 1 century, people are still attacking the Milky Way ... I don't understand this book very well, but I feel that after reading it, I left colorful pages in my memory. It is good for my future study and life. Please have a look!

How far are the stars from us? The first time I knew these two words, it was a story in Zhou Shu: Thales, the earliest philosopher in ancient Greece, once walked on the road and looked up at the stars in the sky, fascinated, accidentally stepped on the air and fell into a well. This scene was seen by a girl, who laughed at his forgetfulness. As a result, stories are widely circulated and become people's exhortations, but only real philosophers will realize that in the infinite universe, the scope of human activities is so narrow, and it is ridiculous ignorance to be busy with trivial things on the ground and forget to look up at the sky.

The first goal of astronomers to conquer space is to measure the distance between the earth and the moon. Aristak first proposed that the sun, the earth and the moon form a right triangle at the first quarter of the moon, and the distance between the earth and the moon is measured from this triangle. The sun is 65,438+09 times farther than the moon. Later, Iba Valley used superb observation technology to measure the distance between the earth and the moon. These experiments were all in BC. The ancients more than 2000 years ago never had the superior material conditions we have now. Maybe they ...

Man has never stopped exploring the universe. 16th century, Copernicus introduced the solar system to mankind, and William in18th century. Herschel made mankind know the Milky Way again. Hubble in the 20th century led human vision to a vast galaxy world, and looked far and wide. Hubble used his 2.54m reflecting telescope to identify many Cepheid variables in the peripheral areas of several spiral nebulae, and calculated their distances with the period-luminosity relationship, which proved that M3 1 and M33, two extragalactic galaxies, opened the door to step out of the Milky Way. Since then, humans have started casting various scales from dozens of kinds.

Of course, astronomers will also pay attention to the earth under their feet while looking up at the starry sky, that is, they should be careful to verify. Molyneux and Bradley both measured the parallax of the star, and finally found that the star swung 40 degrees in one year, but Bradley couldn't explain it. It was not until he rowed on the Thames and discovered the mystery of flag flying that he was able to name this discovery disorder, which shows that he was thinking all the time. German optician Flawn Hof improved the astronomical instrument, Bessel measured the parallax of Swan 6 1, and Lin Hande and Struve discovered the parallax one after another. These persistent astronomers are down-to-earth and have proved their distant ideas with solid measurement data.

Kant said: "There are two things in the world that can deeply shock people. One is the lofty moral standards in our hearts, and the other is the splendid starry sky above us. " Aristotle even said, "I love my teacher, especially the truth." In the struggle between the two cosmic systems, countless scientists have bravely attacked religious thoughts in the past 30 years, breaking the shackles that bind people's eyes. In his book, he used a lot of research to deny the geocentric theory centered on the earth, pointing out that the earth is just an ordinary planet, and human beings should look down on themselves. Since then, many people have looked up to it at night. Bruno firmly defended Copernicus and Heliocentrism, Galileo made telescopes to prove that Kepler discovered the three laws of planetary motion, and Newton discovered everything.

Stepping on the earth and looking up at the starry sky, human beings try to take a long-term view and look down on themselves.

How far are the stars from us? On a clear night, the soft shimmer of the moon blends with the stars, filling the deep sky, or the bright or dark stars twinkle and jump. Once, such a night sky appeared in front of human beings countless times, causing human thinking.

Now, I look up at the stars like the ancients, and I can't help thinking: How far is the sun from us? The star looks darker than the sun, so is it farther away from us? How do people measure distance? How big is the Milky Way? I opened How Far Are the Stars from Us with all the original images and puzzles about the starry sky.

These problems are difficult to solve in the face of advanced science and technology. But there are still many scientists who can measure it in various ways. In 240 BC, Eratosthenes measured the size of the earth; In the18th century, Llakaj and Lalande used "triangulation" to measure the distance between the earth and the moon. In the 20th century, people used the methods of "triangle parallax", "spectral parallax" and "Cepheid parallax" to expand the measuring range again and again, and knew the shape and length of the Milky Way and the size of the universe.

The universe is too big, even the distance from the sun to the earth takes eight minutes; It takes four years for the sun to greet its nearest neighbor, proxima centauri, not to mention 65.438 billion light-years in the Milky Way and hundreds of billions in the universe. The earth is just one of countless planets, which makes people more eager to understand the universe and the new world outside this universe.

For hundreds of years, many scientists have bravely made unimaginable efforts to explore the starry sky and the universe and overcome too many difficulties and hardships. After repeated practice, the final conclusion was reached. I was deeply moved and admired by their lofty, rigorous, realistic and critical scientific spirit and persistent persistence, and I was also impressed by human wisdom.

When I closed the book, I looked up. The sky was getting darker and darker, and the stars seemed close at hand. This is a new world that I have never understood. I deeply understand the shock and beauty brought by the starry sky and the ingenuity of astronomical knowledge given to me by books.

The sky is vast and the universe is infinite. Now technology is developed, but the edge of the universe has not been discovered. Man has only taken the first step. But in the distant future, maybe we can do more, go out of the solar system and find the end of the infinite universe.