[网络] 土星

Our history and our culture have come about because a lot of ordinary people have done some really terrible jobs. And our traditional Christmas is no exception. However dreadful it's been, having to d

发表于:2018-12-07 / 阅读(111) / 评论(0) 分类 圣诞特辑

Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th

发表于:2019-01-02 / 阅读(97) / 评论(0) 分类 60秒科学

By Jessica Berman The U.S. space agency has released the first close-up pictures of Titan, Saturn's secretive, giant moon. Photos from the international Cassini spacecraft show the orbiting object shr

发表于:2019-01-03 / 阅读(76) / 评论(0) 分类 VOA2004(下)--健康科技

By David McAlary The U.S. Cassini spacecraft orbiting Saturn has found evidence that the giant planet's dazzling rings are decaying and may eventually be gone. And the rings are dirtier than thought,

发表于:2019-01-03 / 阅读(100) / 评论(0) 分类 VOA2004(下)--健康科技

By Paul Sisco Washington 19 March 2008 The planet Saturn has long fascinated astronomers because of its distinctive rings and multiple moons. NASA's Cassini spacecraft visited one of Saturn's moons last week, collecting samples, data and pictures of

发表于:2019-01-11 / 阅读(64) / 评论(0) 分类 VOA标准英语2008年(三月)

Everyone is familiar with the rings of Saturn. But what would you highlight if it were you sending back the postcards? Every tour itinerary has one main attraction. With Saturn, you just can't miss the rings. As imaging team leader for Cassini, Carol

发表于:2019-01-22 / 阅读(63) / 评论(0) 分类 自然百科2012年

And the icy grains on the Saturnian beaches are washed by passing traffic. When a moon comes by, it creates a wake just like a motor boat creates a wake that goes behind it. And I kind of imagine the ring particles doing an intricate cosmic dance aro

发表于:2019-01-22 / 阅读(66) / 评论(0) 分类 自然百科2012年

Saturns apparently peaceful appearance is due to a haze of high level ammonia in the upper atmosphere, by looking deep into Saturn in the infrared, using the planets own internal heat as a light source, Cassini has revealed the planets true nature. T

发表于:2019-01-22 / 阅读(61) / 评论(0) 分类 自然百科2012年

We are interested in studying seasonal changes on Saturn, because of its extremes affected the rains. Already we know the sky was blue, when the northen hemisphere came out of the shadow and it's now turn sort of pinkish yellowish, hazy color, becaus

发表于:2019-01-22 / 阅读(79) / 评论(0) 分类 自然百科2012年

Heres the surprise entry into search for life, this little moon that youd expect to be pretty dead and dull, and coming out of the South Pole of it is a jet of water ice, all the things you need for life are there. Theres an energy source, theres a w

发表于:2019-01-22 / 阅读(64) / 评论(0) 分类 自然百科2012年

Cassini has solved the mystery of how at least one of Saturn rails' formed, and this may help solve the bigger mystery of life beyond Earth, * may be the hottest ticket in town, but don't overlook the heavy weight container for the titan lovemoon wit

发表于:2019-01-22 / 阅读(74) / 评论(0) 分类 自然百科2012年

Hopes and dreams of thousands of scientists and engineers are resting on the next few moments. Weve been to Saturn twice before with the voyager I and voyager II spacecraft. But rather than these quick Kodak moments, we want to take a nice long leisu

发表于:2019-01-22 / 阅读(76) / 评论(0) 分类 自然百科2012年

Saturn might be the second largest planet in the solar system, but like gas giant neighbor Jupiter, its a triumph of show over substance. Saturn, first of all is a big giant gas ball, actually its a big giant ball of fluid, and the outer parts of it

发表于:2019-01-22 / 阅读(64) / 评论(0) 分类 自然百科2012年

Imagine boarding a flight to Saturn, what would you need to know before traveling? The best ringside vantage points? The must-see moons? Think of this as your personal guide to the splendor of the Saturnian system. A wandering spot of light twice as

发表于:2019-01-22 / 阅读(72) / 评论(0) 分类 自然百科2012年

With Saturn's 62 known moons, Cassini finds itself in good company without of this world photo opportunity to make even a seething professional gasp. Saturn is the most photogenic planet in all the solar system, so I just, you know, I mean, you could

发表于:2019-01-22 / 阅读(63) / 评论(0) 分类 自然百科2012年

The Prime Meridian(本初子午线) here is the longitude, the mark on the ground, from which all great voyages are measured. This is the view back to our remarkable home planet/ that the first human out here can look forward to, a distant blue dot l

发表于:2019-01-22 / 阅读(80) / 评论(0) 分类 自然百科2012年

By David McAlary Washington 14 March 2007 A U.S. spacecraft studying Saturn has found evidence of large seas on its biggest moon, Titan. But if they are seas, they would not be filled with water. Instead, as VOA's David McAlary reports, they would be

发表于:2019-01-30 / 阅读(106) / 评论(0) 分类 2007年VOA标准英语(三月)

No planet beats Saturn for jaw-dropping beauty. Saturn is the most photogenic planet in all the solar system. Some of the pictures are to die for. But the postcards only tell part of the story. Beauty is only skin deep. It really is rolling and seeth

发表于:2019-02-02 / 阅读(79) / 评论(0) 分类 自然百科2012年

Employee-Management Relations Facing Business Challenges at Saturn Negotiating a Radically New Contract Richard LeFauve of General Motors and Donald Ephlin of the United Auto Workers (UAW) had been ad

发表于:2019-02-07 / 阅读(140) / 评论(0) 分类 实用英语

By Cathy Majtenyi Nairobi, Kenya 06 December 2007 Kenya's capital, Nairobi, is home to one of Africa's largest dumpsites. A recent United Nations study found that nearly half of the children surveyed who live near the dumpsite suffer from serious med

发表于:2019-02-07 / 阅读(168) / 评论(0) 分类 VOA常速英语2007年(十二月)
学英语单词
a.r.p
aaib
abundant observations
amplification-factor bridge
anguiner
annulets
arm coal-cutter
ashtray
at the expense of someone
automatic scarfing
automatic wrapping machine
be in bad fortune
bulbous bow form
centre of moment
chalicotheres
characteristick
chemonastic
Cicu.
close to you
code on noise levels on board ships
colour bleeding
company culture
confirmation
corneal astigmatism
corrugated galvanized sheet roofing
cubic system (fujida 1950)
Desemboque
digital home hub
discounted factor
discrete consine transform
door lock rod bracket
drawner
Dressler's syndromes
eat inde sine die
effective back radiation
engineering cost management
epipyropids
ethynyl group,ethynyl radical
flat point
gesture-baseds
halocortolone
hardship
Hasselfelde
haust.
high cheekbones
Hippramine
honeycomb seal
Hong Kong Interbank Rate
idempotent
indolenines
intrathecal pressure
klootchmans
Kromdraai
labor disputes
late closing of valve
legian
Leviticus
liquid zone control system
locally bounded
lose me
lutheranisms
Machilus versicolora
markey
masty
microbule
misarrangement
modern astronomy
mooring fore and aft
multilateral exchange contract
myeloid body
nitrocellulose lacquer resistance
non-bactericidal
on-line job control
paminohippurate
Pasni
polka dots
product pruning
radioisotope all or nothing relay
resterilize
Roig, C.
rush round in circles
sawing efficiency
seven-nights
spinel
starch adhesive
teram
terminal duct adenocarcinoma
Thatcherizing
the Lake
the long and the short of sth
thermovac evaporator
thrust deflexion
time-base unit
translog cost function
trap block
unassured
unpressable
veins of pons
ventilator box
videoscanning
water chestnuts
yang orifices