土星环

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(185) / 评论(0) 分类 圣诞特辑

发表于:2018-12-13 / 阅读(245) / 评论(0) 分类 Wee Sing For Christmas

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(181) / 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(165) / 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(193) / 评论(0) 分类 VOA2004(下)--健康科技

Ring A Ring Of Roses a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* ring a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* the king has sent his daughter to fetch a pail of water (hot-sha hat-sha all f

发表于:2019-01-03 / 阅读(260) / 评论(0) 分类 优美儿童英语歌曲

发表于:2019-01-10 / 阅读(304) / 评论(0) 分类 Wee Sing Around the World

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(136) / 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(152) / 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(134) / 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(155) / 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(156) / 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(150) / 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(134) / 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(157) / 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(153) / 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(149) / 评论(0) 分类 自然百科2012年

歌词如下: Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here. Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here.

发表于:2019-01-28 / 阅读(190) / 评论(0) 分类 英语儿歌274首

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(164) / 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(230) / 评论(0) 分类 实用英语
学英语单词
A-light
abacarus aralioidus
Acetylbenzoylaconine
Amino-oligopeptidase
anvil plate
Ariogala
arse rapes
autorollback
babe magnets
be a full wake-up to
be in the hot seat
beverly
billing procedures
billy clubs
biological process
booth tarkington
breakdown-lorry
bredd
Brzeziny
c-type
collision blip
consigning to
contact-free
continuous rotary cooker
diacetylmorphines
dinurus longissimus
divisory
duct work
elliptically polarized wave
estuarine deposit
flanking manoeuvre
footblock
frequency separating
funnel outlet
gnrh-associated peptide
government-funded
grasscutting
grub around
in high places
Jabal Nā'if
joute
kanat
keener
kentledge
Khantayskoye, Ozero
Kildrummy
leove
lobetta
lobi pyramidalis
Louth, Co.
Micro Lub
minimax decision function
mobile radio diagnostic equipment
multicolor map
multiflow
multiplicative sampling technique
non rotating
Occidentalist
oyster bed community
Pampana
phoney-baloney
photoflash light
Pirkkala
pitch reference line
power-on self-test
profligatory
program board
protecting organ
radio locator
railroad free delivery
respiratory pigments
rhebosis
roller draft
roquets
schemske
scotophobic
semilunar fold of conjunctiva
separating resonance
short-save
silvertails
sixth forms
spark distributor
sprayhood
station to station transport
steel hypo-eutectoid
subclavian triangle
surveying tape comparator
swiveling pile-driver
theremid
to appear to do
Tylor
uk -tipped
under water fittings
unfathomed
unfudgeable
Vergilian
vertistate
Vuotso
warn'd
wheat flour moth
woh
zymologists