磁太阳日变

Scientists Improve Space Weather Forecast Accuracy 科学家改进空间天气预报准确性 At one time, scientists thought the space between Earth and Sun was a vacuum . But we now know that the su

发表于:2018-11-29 / 阅读(208) / 评论(0) 分类 VOA2005(下)--环境科学探索

1. If you are in two minds, this means: a) you can't decide b) you have made a decision c) you have a headache 2. Nina can't decide between going out for a walk and what? Today on Language Snacks we take a look at the expression in two minds. Let's

发表于:2018-12-07 / 阅读(313) / 评论(0) 分类 语言小点心

The key difference of course is that a sunspot's 最关键的不同点在于太阳黑子 an awful lot bigger and so the total energy, 大得多,所以太阳磁场内 or the amount of energy in the magnetic field 所含的总能量大得惊人 on th

发表于:2018-12-07 / 阅读(226) / 评论(0) 分类 太阳科普

It sits a million miles away from the Earth 它位于距地球一百万里处的 at the Lagrangian point 拉格朗日点 where the gravitational pull from the Earth and the sun is equal. 此处地球和太阳的引力相等 Fixed in space it has an u

发表于:2018-12-07 / 阅读(172) / 评论(0) 分类 太阳科普

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Don't be fooled by those big bovine eyes and the mouth slowly chewing cudcows have a magnetic personality. At least thats the claim made by German researchers in the

发表于:2018-12-24 / 阅读(173) / 评论(0) 分类 Scientific American(八)月

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kneel [ ni:l ] She knelt to pray. v. 跪

发表于:2018-12-30 / 阅读(221) / 评论(0) 分类 每日攻克5词

The auroras dancing displays of celestial light 在天空中熠熠生辉的极光 are caused by particles from the solar storm smashing 是太阳风暴夹带的微粒 through the magnetic field at the poles. 撞击地球两极磁场的结果 When the

发表于:2019-01-02 / 阅读(199) / 评论(0) 分类 太阳科普

EXPLORATIONS - NASAs Aquarius Satellite Will Help Scientists Learn About Salt Levels in the Sea STEVE EMBER: Im Steve Ember. DOUG JOHNSON: And Im Doug Johnson with EXPLORATIONS in VOA Special English. Today we tell about an American space agency proj

发表于:2019-01-12 / 阅读(137) / 评论(0) 分类 2011年VOA慢速英语(六)月

Satellite Will Watch Sun Storms, Send Warnings to Earth 卫星关注太阳风暴并向地球发送警报 A new satellite is travelling 1.5 million kilometers over a 110-day period to enter an orbit of the sun. It is called DSCOVR -- the Deep Space Cl

发表于:2019-01-12 / 阅读(155) / 评论(0) 分类 2015年VOA慢速英语(三)月

How to Weather a Solar Storm 如何抵御太阳风暴发表 Powerful winds from the sun affect the earths atmosphere. These solar winds cause the beautiful aurora borealis, also known as the northern lights. These winds are also responsible for many

发表于:2019-01-12 / 阅读(189) / 评论(0) 分类 2014年VOA慢速英语(十)月

By David McAlary Washington 18 February 2007 The U.S. space agency NASA has launched five satellites - the most ever from one rocket - to locate the source of energy in Earth's magnetic field that triggers the colorful, dancing auroras over the north

发表于:2019-01-12 / 阅读(167) / 评论(0) 分类 2007年VOA标准英语(二月)

The solar system is a hostile place. Earth is under attack from deadly cosmic radiation. Life here is only possible, because it's protected by the magnetosphere, an invisible force field that cocoons the planet. But new evidence reveals that this vit

发表于:2019-01-22 / 阅读(128) / 评论(0) 分类 自然百科2011年

Radiation causes damage at the most fundamental level. It mutates the blueprint of life, DNA. Earth's magnetosphere is our crucial defense. It's so fundamental to our evolution and continued existence that the race is on to understand why it's changi

发表于:2019-01-22 / 阅读(121) / 评论(0) 分类 自然百科2011年

During its magnetic cycle, the Sun undergoes periodic changes in activity. Every 11 years, it enters solar maximum. This 11 years cycle of solar activity has peaks where theres lots of solar storms. And right now where the sun is taking a little napp

发表于:2019-01-22 / 阅读(172) / 评论(0) 分类 自然百科2011年

In polar regions where the magnetic field is / weakest, auroras glow in the sky. These dazzling displays of colored lights form when solar particles slam into gases in our atmosphere causing them to glow. The stronger the solar wind, the more dramati

发表于:2019-01-22 / 阅读(140) / 评论(0) 分类 自然百科2011年

The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field

发表于:2019-02-06 / 阅读(170) / 评论(0) 分类 英语新闻

相关介绍: Kate Voegele来自美国俄亥俄州的一位年轻创作型歌手,她会唱歌、会写歌、特别擅长弹吉他、还会弹钢琴。在03和04年,她发行了自己的两张demo,制作人都是大名鼎鼎的--Michael Seifert和Marshall Altman。她于2006年10月签约加入MySpace唱片公司,之后旋即创

发表于:2019-02-08 / 阅读(353) / 评论(0) 分类 音乐咖啡厅

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

发表于:2019-02-15 / 阅读(270) / 评论(0) 分类 自然百科2012年

16. UPBRAlD : REPROACH :: (A) dote : like (B) lal: : stray (C) vex : please (D) earn : desire (E) recast : explain Directions: Each passage in this group is followed by questions based on its content.

发表于:2019-02-21 / 阅读(251) / 评论(0) 分类 实用英语

Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Picture a dark black sky. Suddenl

发表于:2019-02-21 / 阅读(139) / 评论(0) 分类 环球英语 Spotlight
学英语单词
a ghostly director
a spin
acceleration admittance
active leukocytosis
Androuet
apterygial
B.T.A.
bench shears
betwixotland
bob off
brainstorm ideas
buffal
Buncrana
calycopterin
circuit extraction
coating material
concrete filler block
cytotoxicenzyme
cytotrophoblastic cell column
depetris
DHEAS
diode-pumped
disodium calcium ethylene diamine tetraacetate
eat at high table
elastic semi-infinite foundation
elevator endless belt type
engraved porcelain
escalyptoresorcin
ethoxy cellulose
export from
featously
flybynights
foind
frost protection equipment
full band
fungicide sprayer
gas pressure-regulating station
gomphoses
government agencies
greenspots
halophytic
happen past
have a sneaking suspicion
heat-producingcapability
high centred
hormoner
housted
hunger-striking
ideal propeller
in nature of
inj
intercalation polymerization
intralingular
jupert
kyanazing
Laugarvatn
make court to
many-
masturbationist
metacarpal fracture
metaphorise
minerogenetic condition
modulation frequency (or modulating)
moonke
Morowali
muttsy
myocardial contractility
newspaper editor
nonmetallic mineral
Nova Sintra
Ophni
opimous
piezophile
previvation
primary menu
prismatic cleavage
Respirology
Reugny
rhizophydium keratinophilum
rubble tipping
Sedum baileyi
service craft
Sidi Embarek
signaling model
slightly curved
specific combustion intensity
stacking unit
star-gaze
stuntpeople
surgery obstruction
taky
toll position
tree infected by fungi
troncale
Twelfth cake
two-piecest
tyre bead breaker
understrengths
viola
vloks
worth every penny