The past: At Union Station in Washington, Mr. Sagan didn't know.

A porter even knew him. When Sagan wanted to tip, the porter was right.

Mr Sagan said seriously, "No need, Mr Sagan, you gave me the universe. now

Let me do something for you. "Indeed, carl sagan has been recognized by the public all his life.

Understand science and drive away the darkness brought by superstition and pseudoscience. At the same time,

He is also committed to finding extraterrestrial life. In the title, the author used Mr. Sagan, which had a great influence.

For a wide range of two works named "contact" and "universe".

Movies adapted from the former and TV plays supplementing the latter have been widely used in the world.

Mr. Sagan is a perfect description.

Unfortunately, that winter day five years ago-199665438+February 20th,

The greatest planetary scientist and popular science writer of all time has suffered from radiation for a long time on the other side of the ocean.

Sudden death of medullary carcinoma. Sagan, the unique "science missionary", has left.

"He is an excellent seeker, a leader in his field, and the theme he tells.

The purpose is the universe, and the classroom is the whole world. "I have been worried about the death of Mr. Sagan.

After reading his works and getting to know him, I deeply regret that I have been exploring for him all my life.

I am deeply excited by my curiosity about the universe and my enthusiasm for the popularization of science.

Five years after Mr Sagan's death, pseudoscience and superstition still appear.

In this world, the author thinks it is necessary to remember Sagan's life and his main tribute here.

Offer, and cultivate his scientific spirit. I hope more people can understand his ideas and understand him.

His personality and his life devoted to science.

Carl sagan1934165438+10 was born in Brooklyn, new york, USA.

Workers' family, father is a tailor. His mother's doting cultivated his original self.

Letter. As a teenager, he liked astronomy and was also a fan of science fiction. astronomy

Studying books and science fiction is undoubtedly important for his future career choice and research.

Had a far-reaching impact. Until a few decades later, he was in his famous "Universe"

Speaking of participating in Viking Mars exploration, I saw fire for the first time.

When the photos were sent back from the surface of the star, I still deeply recalled what I read about Mars when I was young.

"Basu Kingdom" in science fiction.

Sagan 1955 graduated from the University of Chicago with a bachelor's degree in physics; 1956

In 2006, he received a master's degree in physics, and 1960 received a doctorate in astronomy and astrophysics. exist

In the early 1960s, he taught at Harvard University. From 197 1 until his death, he

Master and doctoral supervisor of astronomy and space science at Cornell University. Even if it is

He continued to instruct his students during his serious illness.

In his short life of 62 years, Mr Sagan has made great research achievements. He's here.

Pirates, Navigators and Galileo of NASA.

And obtained special scientific achievements from NASA.

Award, and was awarded the Outstanding Public Service Award and the Apollo Achievement Award twice. It can be said,

Mr Sagan achieved great success in a series of planetary exploration in 1970s and 1980s.

Measurement plays a very important role, so the International Astronomical Union Asteroid Center

Asteroid 2709 was named Sagan.

Mr Sagan not only played an important role in the planetary exploration program, but also

It has played an irreplaceable role in the development of planetary science. Mr Sagan is an American.

The planetary science branch of the cultural association, the planetary research association of the American Federation of Geophysical Societies and

Chairman of the Planetary Society of the American Association for the Advancement of Science, whose research focuses on the greenhouse effect of Venus.

Respond to the seasonal changes of Mars. He created a greenhouse model of Venus atmosphere in his paper.

The high temperature on the surface of Venus is reasonably explained.

Mr Sagan is not only an astronomer engaged in professional research, but also an outstanding astronomer.

As a popular science expert and science educator, he not only pays attention to professional astronomical research,

Pay more attention to let the public know about science, the universe and what astronomers are doing.

Work. Mr. Sagan studied cultural classics and humanities courses at the University of Chicago in his early years.

Nourishing provided him with extensive knowledge and made him good at popular science creation.

He can explain many profound scientific principles in beautiful language, and he is interested in science.

His excellent insights made him "the only person who can explain what science is in simple and concise language."

Yao's scientist. " He wrote a lot in his life, except many articles published in magazines.

Besides this chapter, he also wrote 30 popular science books. Among them, "The Dragon in the Garden of Eden" was written in

1978 won the Pulitzer Prize. 1980 introduced the film, and he personally participated in it.

And the performance of 13 TV series "Universe" to tell the audience about the passage of the universe.

Ancient and modern China and foreign countries, as well as the history and achievements of human exploration of the universe, have been cited all over the world.

Played an extremely strong response. This TV movie has been translated into more than 60 languages.

It was shown in 10 countries, with an audience of 500 million! This supporting popular science book "Universe" has become beautiful.

The New York Times has the largest circulation for 70 consecutive weeks, and it is also the best seller in history.

Popular science books published in English have the largest circulation. 1998, translated by Zhou Qiulin,

Published by Jilin People's Publishing House, China readers can have a glimpse of this book. But unfortunately.

The point is that although this TV series was translated by Mr. Ethan as early as the 1980s,

Up to now, 10 years have passed. For some reason, CCTV didn't broadcast it, but it was actually one.

I'm sorry. (Editor's note: CCTV program 10 will be held on February 2 1 0.

The universe will be broadcast at midnight on the 20th, 13 episode, which will be broadcast in two weeks. )

In addition to the universe, Mr. Sagan's Brouca's brain, dim blue.

Point-look forward to human space home, cosmic intelligent life, contact,

Books such as The Devil's Haunted World-Science: Candles to Light the Darkness have been translated into English.

Familiar with many languages in the world.

Mr Sagan's commitment to popular science is not understood by everyone. He used to be obedient.

Popular science propaganda was despised and belittled by some colleagues, laughing at his work and existence.

Kan Kan talked about the image on the screen, and even thought that promoting popular science to the public was to belittle science.

The value of home itself. But Mr Sagan went his own way and ignored these opinions.

Ignore. Sagan once admitted that he tried his best to convey science to the public, mainly because of science.

It may become a golden road for developing countries to get rid of poverty and backwardness; Science can become us.

Be alert to the global environment in which we live; Science can let us know

The origin, nature and fate of species, life, planet and universe; Science opposes mystery.

A fortress against superstition.

Mr. Sagan's greatest achievements in science, literature and public affairs also

Perhaps he has become the idol of modern science in the eyes of the American people; and

In the world, for many people, carl sagan is space science and space exploration.

The incarnation of cable. His fruitful work in popular science won him the American Youth Award.

The respect and love of teenagers, his popularity in the United States exceeds that of stars and political leaders.

199 1 year, Sagan was selected as one of the "Top Ten Smart People" among American teenagers.

First of all, Swaziland, regarded as a hero by Americans, made great achievements in the Gulf War.

Foucault ranked second, former US President Ronald Reagan ranked fourth, and then President Bush.

Ranked sixth.

In recognition of Mr. Sagan's contribution in applying science to public welfare undertakings, Sagan first

Survivors have been awarded many awards by other countries and departments, such as NASA.

John F. Kennedy space navigation award, the 75th annual meeting award of Explorer Club,

Konstantin Tchaikovsky Award of Soviet Aviation Federation, Masu of American Astronomical Association.

Fund awards and public welfare awards awarded by the National Academy of Sciences and the most

High bonuses and so on.

Mr. Sagan's research has always focused on those unlikely but of great significance to mankind.

Problems with great potential impact. Such as the catastrophic consequences of a nuclear war. as far back as

From 1982 to 1983, he and five scientists wrote that according to their plan,

In this way, if a global nuclear war breaks out, it will inevitably cause global temperature.

If the temperature drops, the global temperature will be much lower than that in the ice age of geological age. Generated post

Fruit, it will be the complete collapse of global agriculture-no matter for world civilization or which one.

The country is extremely terrible. As can be seen from the later historical development, the nuclear winter is indeed

Let both sides of the cold war, especially the Soviet Union, realize that nuclear war is futile and therefore great.

Greatly reduced the possibility of nuclear war.

When Mr Sagan was a teenager, he said that "Jesus Christ is an alien life".

It's really amazing to say. For carl sagan, he believes in the existence of extraterrestrial life.

Life and even extraterrestrial civilization. He spent a considerable part of his life in research.

Investigate ways to find extraterrestrial life and write many articles to discuss the possibility of extraterrestrial life.

As a figure, he is recognized as the founder of cosmic biology by academic circles. Published on 1973

On the Pioneer 10 detector, it is now widely placed at the request of Mr. Sagan.

A well-known metal signboard indicating the basic information of the earth and human beings, for the sake of hope.

I hope that when aliens intercept this detector, they can learn something about the basic situation of the earth and human beings.

Sagan co-authored with Ann Dereyan about the possibility of extraterrestrial life.

The famous science fiction novel Contact (1997) translated into many languages was adapted into electricity.

The film starring actress Jodie Foster translated its title into "Pick Up" after it was introduced into China.

Touching the future), borrowed from the heroine Dr. Alloy, devoted to watching through the radio.

A scientist who heard about alien civilization from a distance (this is obviously Carl.

Sagan is based on himself and other scientists who actively advocate and participate in SETI, such as Drake.

Type), said: "The universe is so big-beyond any of us.

Bigger, if we are the only civilization, it's a waste of space ",which

This article shows the philosophical background of the current research on extraterrestrial civilization. This is exactly what Mr. Sagan thinks.

Yes, he has made unremitting efforts to find possible extraterrestrial civilization. In real life, in the same place

If you contact, you can find it by listening to the radio signals in space with a radio telescope.

In the early days of SETI, after NASA stopped funding, Sagan once

Run around to get enough money to keep the project going.

All right. Although SETI in real life has not been received so far, it can be confirmed that it is alien.

Signals from civilization, but Sagan and other SETI scientists have created humans.

I have taken the first step to contact with extraterrestrial civilization. If one day, I really find it.

Extraterrestrial civilization, Mr Sagan's natural contribution to the greatest discovery in human history.

You have to do this.

"Science is too important, but scientists alone can't do it." Sagan noodles

Pseudoscience and superstition, such as various cults and doctors who are popular all over the world.

Tao is very worried. He warned: science has aroused people's curiosity to explore mystery, but

Pseudoscience has the same effect. The development space given up by a few backward science popularization,

Will soon be occupied by pseudoscience and superstition. How can we avoid the spread of heresy? how can

Let science be deeply rooted in people's hearts, pseudoscience and superstition have no market? In Mr. Sagan's view, justice

Is to popularize scientific and cultural knowledge to the people, so that science can arouse everyone's interest.

A topic of general concern.

Few scientists are really committed to the letter between the edge of science and pseudoscience.

In order to test or challenge reading, Mr. Sagan bravely stood up, with pseudoscience,

The struggle between superstition and blind obedience. The achievements of the scientific investigation Committee as the theory of American supernatural phenomena

Mr. Sagan, a member, has been paying attention to the typical pseudoscience that is generally poisoned in society and making efforts to explore it.

Look for the root of pseudoscience and expose its essence. Six months before his death, Sa

Mr. Gen published the last book in his life, The Devil's Haunted World-Family.

Learning: Lighting candles in the dark (This book has been translated by Li Daguang, Jilin People's Publishing House.

Published in 1999), in which Sagan made a comprehensive summary of his thoughts for many years.

Reflects the struggle between science and pseudoscience. This book is full of rational thinking and scientific essence.

God, through thorough analysis and thought-provoking enlightenment, elaborated science and right and wrong in detail.

The difference between science and pseudoscience. Sagan's extensive knowledge and keen thinking on pseudoscience.

The incisive essence reveals. On pseudoscience and the countermeasures behind it

Scientific consciousness has been deeply criticized. This book was a best seller that year.

A record of names.

Sagan once bluntly pointed out: Any society, if it wants to be in the next century,

(2 1 century), and its basic value is not affected, then all.

We should care about people's thinking and understanding level and make plans for the future. Indeed, in

In modern society, people need not only scientific knowledge, but also a kind of science.

The spirit of. This scientific spirit is Mr. Sagan's constant curiosity and exploration of truth.

Rational spirit, skeptical spirit, consciousness and ability to participate in decision-making, experience consciousness.

Mr Sagan never denied his lifelong concern for science and space exploration.

Enthusiasm, "This book tells the story of my love of science all my life", he wrote in his own

This has been said many times in the book. Now, we will never know how many people were killed.

Influenced by Sagan's works and moved by his enthusiasm, you can never devote yourself to science.

I know how many ordinary people sympathize with the cause of science for the same reason, but I

Scientists know that the progress of human civilization needs more scientists like Sagan.

Sagan, who is in contact with the universe, has never given up his childlike attitude towards the universe.

Curiosity, he used his passion for life to work hard for people to understand science and made countless efforts.

People are interested in science. People all over the world will surely remember his name,

I miss him deeply for a long time!