英语科普文章（英语科普文章阅读技巧）

求英语科普类文章（附中文）

Are the sun and the solar system to the sun as the center, dominated by its gravity and the objects around it sports posed by the system

. Members include the sun, Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune, Ming

Wang, more than 2000 asteroids 34 satellites, as well as a lot of comets and meteoroids.

The sun (Sun)

The center of the solar system objects. Are a star. Contains nearly 98% of the solar system quality. With the Earth's average

Distance of 149,600,000 kilometers diameter 1,390,000 kilometers, to the Earth 109 times the volume of the Earth's 1.3 million times, Ping

Are the density of 1.4 grams / cubic centimeter. Surface temperature of about 6000 degrees Celsius, the center temperature of 15 million degrees Celsius. By

Nuclear fission of hydrogen nuclei into helium thermonuclear reaction a large amount of energy. The naked eye we see the surface layer called the "light ball"

, Light balls above a layer called the "chromosphere", the most outer layer called the "corona", which formed the sun's atmosphere. Too

Yang's rotation period is 25 days, the bipolar area is about 35 days, the sun on the most abundant chemical element hydrogen.

The sun's activity stems from its central part. The sun's core pressure of more than 34 billion times the Earth. Here at hair

Health of nuclear fusion. Fusion led to the four proton or a hydrogen atom or helium nuclei阿尔法粒子. Al

Law on the quality of particles smaller than 0.7 percent to four protons, the quality of the remaining energy is transformed into the sun and was released to the table

Noodles, and through the process of emitting light and heat convection. Solar core, through millions of years of energy required to reach

Its surface. Per second have been 700 million tons of hydrogen into helium. In the process, there are about five million tons of net energy

Volume was released, so the sun can make light-emitting.

Photosphere are the chromosphere above. Amount of solar power through the region from the center outward transfer. This layer can be seen too

Yang flares. Flares sunspots are formed before the chromosphere the hydrogen generated by hot clouds. Photosphere at some

Region, a slightly lower temperature than the surrounding (usually 4000 degrees Celsius), this is the sunspot.

The sun's outer atmosphere called the corona. Date the region has bait. Date baits are the upper chromosphere at the enormous

Flame. The most coronal extension of outer space-oriented and radiation generated by the particles from the sun. Coronal only have the whole day

Can be seen when fresh.

The sun's age of about 46 million years, it can continue to burn about 50 million years. At the final stage of its existence, too

Yang will be in the helium into heavy elements, the sun will also be the beginning of the volume continues to expand, until the Earth swallowed. At

一亿年After the red giant stage, the sun will suddenly collapse into a white dwarf - all stars of the existence

The final stage. Go through several万亿年, it will eventually completely cooled.

Mercury (Mercury)

Ancient China, also known as "辰星." The sun, one of the nine planets. From the sun recently. With solar distance 0.39

Astronomical units, that is 57.91 million kilometers in diameter for 38% of the Earth, mass of the Earth's 5.5%, density of water

5.4 times larger orbit eccentricity, 0.21. Revolution period of 88 days, the rotation period of 59 days. For

The sun side of the temperature of 400 degrees Celsius, while the sun back to -160 degrees Celsius, Mercury has many craters on

And has a strong magnetic field, the surface strength of 1% of the Earth. Shell by the porous soil, or similar surface soil of the moon rock

Composed of stone powder. Mercury is even lower than Jupiter's satellite Ganymede (Ganymede) and Saturn's satellite Titan (soil

Titan) is also small.

Mercury surface similar to the lunar surface. Meteorite dust covered the ups and downs撞成hills, a few kilometers of the fault cliff high

Stretching hundreds of kilometers, large and small craters are everywhere. Looks at the sun than the Earth on large two and a half times.

Because of not enough air to scatter sunlight, the sky is usually dark. If you look up to the sky, he also

Xu will find two bright stars: a bright yellow are the Venus, the other one is blue earth.

On observations from the Earth, Mercury and the sun angle of the largest only 28 degrees at dawn or during the day it appeared in the sky

, So its observation very difficult. In the "sailors" on the 10th visit the Mercury before the awareness of Mercury are

Very small.

Because of its revolution and rotation of the relationship between the more complex, if the sun to rise from the sun for a Down

Units to calculate, on the day of Mercury will be the day the Earth 176.

Mercury appears that it can not exist on the water, its atmosphere is very small, and very high temperatures during the day. However, in 1991

Mercury at the Arctic scientists found an unusual bright spot. Highlights the possible cause of this are at the surface

Or underground ice. Because the orbit of Mercury is rather special, at its North Pole, the sun is always on the horizon only irresolute

Further. At some of the internal crater may never see the sun because of the temperature dropped to -161 degrees Celsius

. Such a low temperature is likely to solidification from the planetary internal release of gas, or accumulation of ice from space

.

Mercury atmospheric pitiful, its main components for helium (42%), Sodium vapor (42%) and oxygen (15%), and its

The average surface temperature of 179 degrees Celsius, up to 427 degrees Celsius, a minimum of -173 degrees Celsius.

Venus (Venus)

Ancient China, also known as "Venus", "Chang", "Taibai", "star" and so on, the nine planets of the solar system

1. According to the order from the sun for the second. With an average distance of the sun 0.72 astronomical units, 108,210,000

Km. Size and the Earth is similar to the diameter of the Earth smaller than 5%, quality 82% of the Earth, the density of water, 5

.2 Times the revolution period of 225 days, the rotation period is 243 days, the rotation direction and the other planets the contrary, the surface cover

Covered a very thick atmosphere, the most carbon dioxide, oxygen and water vapor low surface temperature as high as 480 degrees Celsius

About. Venus surface of the magnetic field only one-thousandth of the Earth also has an ionosphere. Separately in the morning because of Venus

Morning and evening in the sky, the ancient astrologers have been think there are two such planets, then sub -

Do not be referred to as the "Morningstar" and "evening." In English, Venus - "Venus" (Venus) is an ancient Romanian

Horse of the god of love and beauty. It has always been curly clouds shrouded in mystery at.

Because of Venus and the Earth in size, mass, density and weight on very similar, and almost all of Venus and the Earth

Formed simultaneously by the same nebula, astrologers will have them as sister planets. But recently scientists have discovered

, Venus and the Earth in fact very different. Venus has no oceans, it has been the main ingredients for a thick oxide

Carbon in the atmosphere surrounded by water does not. Its cloud is composed of sulfuric acid droplets. At the surface, it

Equivalent to atmospheric pressure at sea level on the Earth 92 times.

Because of Venus's thick atmosphere of carbon dioxide caused by "greenhouse effect", Venus surface temperature up to 482 photo

S degrees. Sunlight through the atmosphere will be hot roast Venus surface. Surface outward radiation of heat at the process by

Atmospheric barrier, can not be distributed into outer space. This makes Venus than in Mercury also hot.

Random surface of Venus is covered with many small craters. Because of Venus's thick atmosphere, a diameter less than 2 kilometers

Crater is almost impossible to retain it. And when a large meteorite in a small pit formed before the meteorite hit the surface of Venus, and its production

Health and debris at the surface of the crater produced exceptional group. Volcanoes and volcanic activity of a lot of the surface of Venus. To

Less 85% of Venus surface covered with volcanic rocks. Many lava flows hundreds of kilometers, fill the lowland, forming a broad

Wide plains. In addition to hundreds of large volcanoes, more than 100,000 small crater Block embellishment at the surface of Venus. From fire

Mountain emitted lava flows resulted in a long trench, ranging up to hundreds of kilometers, one of a range of ultra -

Over 7000 kilometers.

The topography of Venus is covered with vast lava plains and mountains of geological activities undermine or plateau. At

Maxwell Hill Ishtar region are the highest mountain on Venus. Aphrodite highland region occupies almost

Half of the equatorial regions. Magellan plans to obtain more than 2.5 kilometers of Venus images show the existence of the plateau zone prescribed

Bright soil moist. However, in the Venus surface, liquid water are unlikely to exist, and could not explain the bright plateau

Reasons. There was a presumption that these bright regions may be due to metal compounds. Studies have shown that this

Some metals may be iron sulfide. It can not exist in the plain areas, but at high altitude is possible. These payments

May also be an alien, and it led to the effect is the same, but the concentrations are lower.

The Earth (Earth)

The nine planets of the solar system, according to the order from the sun for the third stars, with the sun's average distance of about 14,960

10,000 kilometers, the volume of around 1,083,200,000,000 cubic kilometers for the equatorial radius is about 6378 kilometers, the radius is extremely 6,3

57 kilometers, a difference of 21 kilometers. The average water density is 5.5 times the revolution period is 365.25 days, the rotation cycle 2

3:56. Revolution of the Earth orbit is an ellipse with the Earth equatorial plane into 23 degrees 26 minutes angle. So generated

The length of the seasons and day and night. Surface has a solid crust. An area of 51,100 km, one of the total marine table

Area of 71%, land is about 29%, surrounded by the atmosphere, nitrogen, oxygen, water vapor and other gas components. Earth

Has a satellite - the moon. Used to distinguish the characteristics of the Earth are on a black background and blue water, brown and green

Land and the large white cloud.

We are the Earth's atmosphere is 78 percent nitrogen, 21% are oxygen, the remaining 1 percent are other ingredients. Flat surface of the Earth

Both the temperature is 15 degrees Celsius, the mean pressure of 101.3 Pa.

The Earth are the only known solar system planets existence of life. Express our planet's rotation and nickel iron lava nuclear

Heart to generate a vast magnetic field, together with the atmosphere to prevent almost all from the sun and other stars

Harmful rays. The Earth's atmosphere for us to block a lot of meteorites, meteorite much at their arrival and before the

Had been burned.

Since the beginning of human space exploration, our own planet there is a greater awareness. The first man-made human beings to

Ball satellite discovered a strong radiation zone, now called the Van Allen radiation belts. The causes are from

Sports Express in the charged particles in the equatorial region of a circular region to capture the Earth's magnetic field. Earth's magnetic field

By the solar wind into a droplet-shaped twist of this phenomenon is also found by satellite. We also found that once we identified

Is very calm for the upper atmosphere, they are very active, and it during the day and evening to narrow expansion. Live by the sun

Dynamic effects of the Earth's upper atmosphere to affect weather and climate.

Apart from the impact of the Earth's climate, the sun's activities are also our atmosphere for the brilliant performances. When the charged particle

Son of the Earth's magnetic field has been captured, they are with our planet's pole impact air molecules so that these open air molecules

Sending light, this is the "Aurora."

Mars (Mars)

Ancient China, also known as "荧惑," the nine planets of the solar system, according to the order from the sun for the fourth stars. And too

Yang average distance 1.52 astronomical units, or 227,940,000 kilometers in diameter for 53% of the Earth, its size at

Ranked seventh in the solar system. Quality for 11 percent of the Earth, the density of water is 3.9 times the revolution period of 687 days,

Rotation cycle of 24 hours 37 minutes. Mars's equatorial plane and orbital plane 23 degrees 59 minutes into the corner, so on Mars also has

Four Seasons, a quarterly basis and around six months long. Very thin atmosphere, mainly composed of carbon dioxide, the surface temperature at Chek

Road during the day and the highest, at 28 degrees Celsius, down to -132 degrees Celsius at night, white极冠of the main components of water ice

Also has a small amount of dry ice, the size of极冠changes with the seasons. Sometimes disappear in summer and winter increase. Surface

Comparing the same as the Earth has rocks, volcanic and desert regions. On Mars because of the rock, sand and sky are red

Color or pink, so the planet is often also referred to as the "red planet."

The southern hemisphere of Mars are similar to the moon covered with craters of the ancient plateau, while the Northern Hemisphere, mostly organized by young plains

Composition. Mars 24 kilometers high on the "Olympus" Mountains can be called the solar system are the highest mountains. Away from fire

Stars around tens of thousands of kilometers, have two very small stars, which are the Martian satellites.

In Chinese, the name is reminiscent of Mars to the "fire" and hot, but in fact, this red planet is

Abnormal cold and dry. Nevertheless, Mars is still in the solar system and earth are the most similar to a planet. It

Smaller than the size of the Earth, the atmosphere thinner than the Earth.

A very thin atmosphere of Mars, the Earth's atmospheric pressure is only 7 thousandths. The main components of the atmosphere of Mars are dioxoketene

CFCs, and other ingredients are nitrogen, argon, oxygen and so on. Mars atmospheric water at the proportion of only 0.03%

. Thus abnormal drying the surface of Mars.

Mars the average temperature of minus 55 degrees Celsius, while the larger temperature difference: In the summer, daytime temperatures up to

Twenty degrees Celsius, while in winter the temperature can be as low as minus more than 100 degrees Celsius. Mars often have strong winds,

And thus often leads to large-scale dust storms.

Scientists have found that many areas on Mars have been signs of erosion, but it seems to criss-cross the riverbed

Telling us that Mars once had liquid water, they gather into large and small lakes, and even marine

. Scientists, it was explained that at the early formation of Mars, the planet by thick clouds of carbon dioxide

The parcels, resulting in a powerful "greenhouse effect" by the solar radiation, heat the surface of Mars have been obstructing the clouds

Separated, can not be distributed to the outer space, making temperatures rise, so that liquid water to exist. At that time, the warmth of the Martian

Humid, you may have been bred to life.

Mars has two poles at many solid-state carbon dioxide (dry ice), scientists have speculated that in these enormous ice

Cover may exist below the water-solid.

Jupiter (Jupiter)

Ancient China, also known as "岁星," one of the solar system planets. According to the order from the sun for the Fifth stars. And too

Yang average distance of 5.20 astronomical units, or 778,300,000 kilometers. Volume and quality than the other eight planets

Combined, and the equatorial diameter of the Earth 11.18 times for the 142.8 thousand kilometers. The quality of the Earth's 317.89-fold

, Density of water 1.3 times, public transfer cycle 11.86, the rotation cycle for the 9:50 is the fastest one rotation

Stars, so the shape is very flat. Jupiter atmospheric shading shows staggered parallel to the equator of the cloud band, the temperature was about -12

1 degrees Celsius. Well-known Great Red Spot are embedded in the cloud band of clouds. Atmospheric thickness of about 730 kilometers. Atmospheric depths have

Water vapor, but the total amount of less than hydrogen. There are acetylene, ethane and phosphine. Jupiter's magnetosphere has been a huge package

Around with the Earth's magnetosphere similar to, but charged particles within the magnetosphere the energy of the radiation of the Earth is about one million times. Wood

Stars than the Earth magnetic field strong 20-40 times, suggesting that Jupiter has its own energy. Jupiter has 13 satellites, consider someone

There may be satellites fourteenth. There is a halo of Jupiter and Aurora

求一篇一百字左右的英语科普文，越简单越好，是科普类型就好，初中、小学水平都可以，及翻译

PUBLIC ATTITUDES TOWARD SCIENCE

Anyway, even if one wanted to, one couldn't put the clock back to an earlier age. Knowledge and techniques can't just be forgotten. Nor can one prevent further advances in the future. Even if all government money for research were cut off (and the present government is doing its best), the force of competition would still bring about advances in technology. Moreover, one cannot stop inquiring minds from thinking about basic science, whether or not they are paid for it. The only way to prevent further developments would be a global state that suppressed anything new, and human initiative and inventiveness are such that even this wouldn't succeed. All it would do is slow down the rate of change.

求科普英语文章！！

Does Technology Reduce Social Isolation?

Hundreds of daily updates come from friends on Facebook and Twitter, but do people actually feel closer to each other?

每天在Facebook和Twitter上都有朋友们数以百计的更新，但实际生活中人们是否感觉彼此更亲近呢？

It turns out the size of the average American’s social circle is smaller today than 20 years ago, as measured by the number of self-reported confidants in a person’s life. Yet contrary to popular opinion, use of cellphones and the Internet is not to blame, according to a new study released Wednesday by the Pew Internet and American Life Project.

根据互联网与美国生活专案周三发布的一项最新调查，在计算过美国人日常生活中自己认为的密友知己的数量后，事实证明当代美国人社交圈子的平均人数比他们20年前要小。但是与当前流行的观点所不同的是，这并不归罪于手机的使用和网络的普及。

In fact, people who regularly use digital technologies are more social than the average American and more likely to visit parks and cafes, or volunteer for local organizations, according to the study, which was based on telephone interviews with a national sample of 2,512 adults living in the continental United States.

根据一项调查表明，事实上经常使用数字技术的人比普通的美国人更具社交性，而且也更多的游览公园，光顾咖啡馆或更多的参加当地的志愿者活动。该项调查通过电话采访了美国本土大陆的2512名成年人。

The study found some less-than-social behavior, however. People who use social networks like Facebook or Linkedin are 30 percent less likely to know their neighbors and 26 percent less likely to provide them companionship.

这项调查也发现了一些不太符合社交性的习惯的行为，那就是，经常使用社交网站Facebook和Linkedin的人不太喜欢去认识他们的邻居，有26%的不喜欢和邻居交往。

The circle of close friends for mobile phone users tends to be 12 percent larger than for nonusers. People who share online photos or instant messages have 9 percent larger social circles than nonusers.

经常使用手机的人，他们的好朋友圈子比不使用手机者常常要多12%，在网上分享自己的照片和及时信息的人，他们的好朋友圈子比不使用者常常要多9%.

The study also found that people still prefer face-to-face communication as the primary means to stay in touch with friends and family (people see loved ones in person an average of 210 days a year). Respondents said that they were in touch via mobile phone an average of 195 days a year.

这项调查也发现人们更喜欢面对面的沟通，这是他们和好友和家庭成员保持联系的最重要的方式(人们一年中有210天会亲自看自己的亲人)。被调查者说他们一年中平均有195天通过手机和他们联系。

英语科普类文章有哪些?

1、To Pull up the Seedlings to Help Them Grow “拔苗助长”

Once upon a time, there was an old farmer who planted a plot of rice. After he planted the seedlings, every day he went to the field to watch the seedlings grow. He saw the young shoots break through the soil and grow taller each day, but still, he thought they were growing too slowly. Eventually he got impatient with the young plants and suddenly he hit upon an idea that one by one, he pulled up the young plants by half an inch. The next early morning, the young man couldn’t wait to check his “achievement”, but he was heart-broken to see all the pulled-up young plants dying.

从前，有个农夫，种了稻苗(seedlings)后，便希望能早早收成。每天他到稻田时，都发觉那些稻苗长得非常慢。他等得很不耐烦。想了又想，他终于想到一个“最佳方法”，他将稻苗全都拔高了几分。第二天，一早起身，他迫不及待地去稻田看他的“成果”。 哪知，却看到所有的稻苗都枯萎了。

2、Plugging One’s Ears While Stealing a Bell “掩耳盗铃”

Once upon a time, there was a man who wanted to steal his neighbor’s doorbell. However, he knew clearly that the bell would ring and catch the other people’s attention as long as he touched the bell. So he thought hard and suddenly hit on a clever “idea”. He plugged his ears with something, thinking that everything would go well when he stole the bell. Unfortunately to his disappointment, the bell still rang loudly and he was caught on the spot as a thief.

从前，有一个人想偷邻居门上的铃，但是他知道一碰到铃，铃就会响起来，被人发现。他想啊想，终于他想出一个“妙极”，他把自己的耳朵用东西塞起来，就听不见铃声了。但是当他去偷铃时，铃声仍旧响起来，他被别人当场抓住。

3、The Fox and the Crow “狐狸和乌鸦”

One day a crow stood on a branch near his nest and felt very happy with the meat in his mouth. At that time, a fox saw the crow with the meat, so he swallowed and eagerly thought of a plan to get the meat. However, whatever the fox said to the crow, the crow just kept silent. Until the fox thought highly of the crow’s beautiful voice, the crow felt flattered and opened his mouth to sing. As soon as the meat fell down to the ground, the fox took the meat and went into his hole.

有一天,一只乌鸦站在窝旁的树枝上嘴里叼着一片肉，心里非常高兴。这时候，一只狐狸看见了乌鸦，馋得直流口水，非常想得到那片肉。但是，无论狐狸说什么，乌鸦就是不理睬狐狸。最后，狐狸赞美乌鸦的嗓音最优美，并要求乌鸦唱几句让他欣赏欣赏。乌鸦听了狐狸赞美的话，得意极了，就唱起歌来。没想到，肉一掉下来，狐狸就叼起肉，钻回了洞。