首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
What Is the Coolest Gas in the Universe? What is the coldest air temperature ever recorded on the Earth? Where was this low
What Is the Coolest Gas in the Universe? What is the coldest air temperature ever recorded on the Earth? Where was this low
admin
2013-11-25
28
问题
What Is the Coolest Gas in the Universe?
What is the coldest air temperature ever recorded on the Earth? Where was this low temperature recorded? The coldest recorded temperature on Earth was -91℃, which【C1】______in Antarctica in 1983.
We encounter an interesting situation when we discuss temperatures in【C2】______temperatures in Earth orbit actually range from about 20℃ to 120℃. The temperature depends upon【C3】______you are in direct sunlight or shade. Obviously, -120℃ is colder than our body can safely endure. Thank NASA science for well-designed space【C4】______that protect astronauts from these temperature extremes.
The space temperatures just discussed affect only our areal of the solar【C5】______. Obviously, it is hotter closer to the Sun and colder as we travel away from the Sun. Astronomers estimate temperatures at Pluto are about -210°C. How cold is the lowest estimated temperature in the entire universe? Again, it depends upon your【C6】______. We are taught it is supposedly【C7】______to have a temperature below absolute zero, which is -273℃, at which atoms do not move. Two scientists, whose names are Cornell and Wieman, have successfully cooled down a gas to a temperature barely【C8】______absolute zero. They won a Nobel Prize in Physics in 2001 for their work—not a discovery, in this case.
Why is the two scientists work so important to science?
In the 1920s, Satyendra Nath Bose was studying an interesting【C9】______about special light particles we now call photons. Bose had trouble【C10】______other scientists to believe his theory, 【C11】______he contacted Albert Einstein. Einstein’s calculations helped him. theorize that atoms 【C12】______behave as Bose thought—but only at very cold temperatures.
Scientists have also discovered that【C13】______atoms can help them make the world’s atomic docks even more accurate. These clocks are so accurate today they would only lose one second 【C14】______six million years! Such accuracy will, help us travel in space because distance is velocity times time(d = v× t). With the long distances involved in space【C15】______, we need to know time as accurately as possible to get accurate distance.
【C9】
选项
A、invention
B、theory
C、paper
D、experiment
答案
B
解析
转载请注明原文地址:https://kaotiyun.com/show/Ybhd777K
本试题收录于:
职称英语卫生类A级题库职称英语分类
0
职称英语卫生类A级
职称英语
相关试题推荐
Stinking(发臭的)BusesStinkingbusesjam(挤满)thecrowdedstreet.Drivers(51)atoneanotherandhonk(鸣喇叭)theirhorns.Smog(烟雾)h
HerculesOnceuponatimetherewasagreatGreekhero,Hercules.Hewastallerandstrongerthananyoneyouhaveeverseen.
HowtheBodyKeepstheSameTemperatureThetemperatureofyourbodyshouldbealwaysjustthesame,nomatterwhetherthewe
Choosingatopicforresearchisimportantinthatyouwillputagreatdealoftimeandenergyintoit.Thepassageismostli
Choosingatopicforresearchisimportantinthatyouwillputagreatdealoftimeandenergyintoit.Anexcitingandorigin
A.HarmScreeningMayDotoaYoungerWomanB.InvestigatingtheEffectofScreeningC.EffectsPredictedbyTwoDifferentModel
Thedevelopmentofthetransistorandintegratedcircuitsrevolutionizedtheelectronicsindustrybyallowingcomponentstobep
TheFirstFourMinutesWhendopeopledecidewhetherornottheywanttobecomefriends?Duringtheirfirstfourminutestoge
ManyWomenWhoBeatCancerDon’tChangeHabitsManywomenwhobattlebreastcancerwilltellyouit’salife-changingexperience
随机试题
足太阳膀胱经的主治特点是
小儿高热惊厥的多发年龄是:
甲为了获取超额利润,在明知其所经销的电器产品不符合保障人身安全的国家标准的情况下,仍然大量进货销售,销售金额总计达到180万元。一企业因使用这种电器而导致短路,引起火灾,造成3人轻伤,部分厂房被烧毁,直接经济损失10万元。下列关于甲的行为的说法哪些是正确的
建设永久性测量标志,应当遵守的基本规定有()。
大型工程招标投标工作的评标应采用( )。
关于市场归类决定法说法正确的是()。Ⅰ.使用历史数据估计市盈率Ⅱ.需要有效市场的假定Ⅲ.市盈率的估计,需要选取风险结构类似的公司Ⅳ.使用回归分析法
下列行政案件中,属于中级人民法院管辖的是()。
下列关于我国的公司债说法错误的是()。
从古至今都没有长生不老的人,但每个人的寿命都极不相同,从生物学和医学上来看,人类的寿命应该有一个生物学上的最大值,不过目前尚不能确定人类的最高寿命有多高。这一段话主要支持这样一种观点,即人的寿命()。
下列选项中不属于面向对象程序设计特征的是
最新回复
(
0
)