[网络] 神日

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(110) / 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(94) / 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(73) / 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(98) / 评论(0) 分类 VOA2004(下)--健康科技

It's Friday, and once again we bring you StoryCorps, the oral history project travelling the country that gives family and friends the chance to ask one another about their lives. Copies of the conversations go to the Library of Congress and excerpts

发表于:2019-01-08 / 阅读(156) / 评论(0) 分类 2005年NPR美国国家公共电台

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(63) / 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(64) / 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(59) / 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(77) / 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(63) / 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(73) / 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(75) / 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(61) / 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(78) / 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(104) / 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(77) / 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(137) / 评论(0) 分类 实用英语
学英语单词
alcippe morrisonia morrisonia
aluminum alkoxide reduction
Android phone
aphoristic
arc-discharge method
as game as Ned Kelly
asynchronous condenser
baldface
belauensis
bhd.
block winding
brain-stem lesion syndrome
brantner
chloro-cinnamic acid
chondroitinsulphatase
chracteristic spectrum
Clausena dunniana
cocaine
common program
concentric symtom
concept video
Cygnus A source
dish stand
downstream pier nose
drip moulding
drowned tube
dynamic allotropy
Eastleigh Aer.
elevator loader
encarsia singularis
excess reserve fund
extension cables
freehaul
fusion drill
giaever
Giant Jeniton
global delaying strategy
grotto
guard house
H-steel
half-cracked
head of bay
high-doser
human resource development
incomplete cleftlip
La Balsa
Lawrenny
lay sth up
leeklike
lignine plastics
limacidaes
magnium
magnoperate
main-slope engineer
make head way
Martens temperature
Mohill
moisture-retentive
more generally
motor water car
mulloidichthys martinicuss
neccc
neurocalorimeter
non-advanced
nonlinear beam
not in these trousers
Ochsendorf
ODMA
one foot eight form
overbridge
paddlewheel propulsion
Pagrus
Pdas
per-visit
poise pan
post trailer play
private professional activity
qadhi
re-fusing
reduced gain
rejection risks
relay normal condition
rotary pump with liquid piston
scirrhopthalmia
seam construction
Seaview Ra.
second radiation constant
SHDN
shop girls
spatial knowledge
spontaneous resolution
start node
stined preparation
super-purity metal
tip one's elbow
trestle-table
turkey call
ultrasound-diadynamic electrotherapy
unworked
v.35
wind speed indicator
woze