50 Interesting Science Facts by calisto, from immense world-
50个趣味科学小知识-
1 – The speed of light is generally rounded down to 186,000 miles per second. In exact terms it is 299,792,458 m/s (equal to 186,287.49 miles per second).
光速通常被四舍五入到每秒18万6千英里. 精确来说, 这个数字是299,792,458米/秒(相当于186,287.49英里/秒).
2 – It takes 8 minutes 17 seconds for light to travel from the Sun’s surface to the Earth.
光从太阳表面到达地球所需的时间为8分17秒.
3 – 10 percent of all human beings ever born are alive at this very moment.
此时此刻所有已经出生的人中, 有10%活在世上.
4 – The Earth spins at 1,000 mph but it travels through space at an incredible 67,000 mph.
地球自转的速度是每小时1000英里, 但它在宇宙中串行(绕太阳公转)的速度却高达每小时67,000英里.
5 – Every year, over one million earthquakes shake the Earth.
地球上每年发生超过100万次的地震.
6 – When Krakatoa erupted in 1883, its force was so great it could be heard 4,800 kilometers away in Australia.
1883年克拉卡托火山爆发的强度如此之大以至于4800公里以外的澳大利亚都能听得到.
7 – Every second around 100 lightning bolts strike the Earth.
每秒钟约有100次闪电击中地球.
8 – Every year lightning kills 1000 people.
每年被闪电击中而死亡的人数约1000人.
9 – In October 1999 an Iceberg the size of London broke free from the Antarctic ice shelf .
1999年10月一块相当于伦敦大小的冰山从南极冰架脱离.
10 – If you could drive your car straight up you would arrive in space in just over an hour.
假设你能够垂直向上驾驶你的汽车的话, 你可以在一个多小时到达太空.
11 – Human tapeworms can grow up to 22.9m.
人体内蛔虫可以长到22.9米长.
12 – The Earth is 4.56 billion years old…the same age as the Moon and the Sun.
地球的年龄是45.6亿岁, 与月亮和太阳同龄.
13 – The dinosaurs became extinct before the Rockies or the Alps were formed.
恐龙在洛机山脉或阿尔卑斯山脉形成之前就已经绝迹了.
14 – Female black widow spiders eat their males after mating.
雌性黑寡妇蜘蛛在交配之后会吃掉它们的交配对象.
15 – When a flea jumps, the rate of acceleration is 20 times that of the space shuttle during launch.
跳蚤弹跳的加速度是航天飞机起飞加速度的20倍.
16 – If our Sun were just inch in diameter, the nearest star would be 445 miles away.
假设太阳的直径缩小到一英寸, 离其最近的星体约445英里远.
17 – Astronauts cannot belch – there is no gravity to separate liquid from gas in their stomachs.
宇航员不会打嗝-没有重力来分离他们胃里的气体与液体.
18 – The air at the summit of Mount Everest, 29,029 feet is only a third as thick as the air at sea level.
珠穆朗玛峰顶峰, 29029英尺高处的空气浓度只有海平面空气浓度的1/3.
19 – One million, million, million, million, millionth of a second after the Big Bang the Universe was the size of a …pea.
宇宙大爆炸后的一百万,百万,百万,百万,百万分之一秒后的宇宙只有...一个豌豆大小.
20 – DNA was first discovered in 1869 by Swiss Friedrich Mieschler.
DNA是瑞士人Friedrich Mieschler在1869年首次发现的.
21 – The molecular structure of DNA was first determined by Watson and Crick in 1953.
DNA的分子结构是由Watson和Crick在1953年首次确定的.
22 – The first synthetic human chromosome was constructed by US scientists in 1997.
第一个人类合成染色体是在1997年由美国科学家构建的.
23 – The thermometer was invented in 1607 by Galileo.
温度计是伽利略在1607年发明的.
24 – Alfred Nobel invented dynamite in 1866.
阿尔弗来德 诺贝尔在1866年发明炸药.
25 – Wilhelm Rontgen won the first Nobel Prize for physics for discovering X-rays in 1895.
1895年威廉 伦琴因发明X射线而获得第一届诺贝尔物理学奖.
26 – The tallest tree ever was an Australian eucalyptus – In 1872 it was measured at 435 feet tall.
世界上最高的树曾是澳大利亚的一棵桉树-1872年测量高度为435英尺(约132.6米).
27 – Christian Barnard performed the first heart transplant in 1967 – the patient lived for 18 days.
1967年Christian Barnard医生进行了世界上首例心脏移植手术-病人术后又活了18天.
28 – An electric eel can produce a shock of up to 650 volts.
电鳗可以产生650伏的电击.
29 – ‘Wireless’ communications took a giant leap forward in 1962 with the launch of Telstar, the first satellite capable of relaying telephone and satellite TV signals.
1962年Telstar通讯卫星的发射使无线通讯技术跃进一大步, 该卫星为首颗能够传送电话和电视信号的卫星.
30 – The Ebola virus kills 4 out of every 5 humans it infects.
埃博拉病毒的致死率高达4/5.
31 – In 5 billion years the Sun will run out of fuel and turn into a Red Giant.
50亿年内, 太阳将会耗尽燃料而成为一颗红巨星.
32 – Giraffes often sleep for only 20 minutes in any 24 hours. They may sleep up to 2 hours (in spurts – not all at once), but this is rare. They never lie down.
通常24小时内长颈鹿只睡眠20分钟. 它们最多可以睡上2小时(累加,不是一觉). 它们从来都不躺下.
33 – There are 60,000 miles of blood vessels in the human body.
人体内血管总长度有6万英里.
34 – An individual blood cell takes about 60 seconds to make a complete circuit of the body.
一颗单一的血细胞完成一个完整的体内循环需要60秒钟.
35 – On the day that Alexander Graham Bell was buried the entire US telephone system was shut down for 1 minute in tribute.
电话发明者贝尔被埋葬的那天, 整个美国电话系统关闭1分钟以致敬.
36 – The low frequency call of the humpback whale is the loudest noise made by a living creature.
座头鲸的低频呼叫是活生物所发出的最响的噪音.
37 – A quarter of the world’s plants are threatened with extinction by the year 2010.
到2010年, 世界上1/4的植物面临灭绝的危险.
38 – Each person sheds 40lbs of skin in his or her lifetime.
人一生中脱掉的皮约有40磅.
39 – At 15 inches the eyes of giant squids are the largest on the planet.
地球上最大的眼睛是巨鱿的眼睛, 其直径有15英寸.
40 – The Universe contains over 100 billion galaxies.
宇宙中有1000亿个星系.
41 – Wounds infested with maggots heal quickly and without spread of gangrene or other infection.
生蛆的伤口会很快愈合,并且不会受到坏疽或其它感染的传播.
42 – More germs are transferred shaking hands than kissing.
握手比接吻传播的细菌要多.
43 – The fastest speed a falling raindrop can hit you is 18mph.
能够击中你的雨滴的最快下落速度是18英里/小时.
44 – It would take over an hour for a heavy object to sink 6.7 miles down to the deepest part of the ocean.
重物下沉6.7英里至海洋最深处需要一个多小时.
45 – Around a million, billion neutrinos from the Sun will pass through your body while you read this sentence.
你在阅读这句的时候, 大约有100万到10亿个太阳微中子穿过你的身体.
46 – The deepest part of any ocean in the world is the Mariana trench in the Pacific with a depth of 35,797 feet.
世界上海洋最深处是太平洋的马里亚纳海沟, 深35,797英尺.
47 – Every hour the Universe expands by a billion miles in all directions.
每一小时宇宙向四周扩大10亿英里.
48 – Somewhere in the flicker of a badly tuned TV set is the background radiation from the Big Bang.
电视机调台的频闪中的某一处是宇宙大爆炸的背景辐射.
49 – Even traveling at the speed of light it would take 2 million years to reach the nearest large galaxy, Andromeda.
即使以光速运行, 到达最近的仙女座星系也需要200万年.
50 – A thimbleful of a neutron star would weigh over 100 million tons.
只有极少数的中子星重于1亿吨.
