【天文学】土星星云

I Do a Lot of Office Fishing by Richard Salmon Some years ago, I started to look at the stars through high-powered binoculars and began reading books written by astronomers for people like me. I became an entranced stargazer for a while. The men who

发表于:2018-11-30 / 阅读(189) / 评论(0) 分类 英语励志美文精华

Where would you find Grimaldi, Copernicus and the Sea of Clouds? 你会在哪里找到格里马尔迪、哥白尼和云海? The Sistine Chapel, the Circuit de Monaco, the Orion Nebula or the moon? 西斯廷教堂、摩纳哥赛道、猎户座星云还是

发表于:2018-12-02 / 阅读(160) / 评论(0) 分类 CNN美国有线新闻2018年6月

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(151) / 评论(0) 分类 圣诞特辑

Lesson 32 Galileo reborn 伽利略的复生 First listen and then answer the following question. 听录音,然后回答以下问题。 What has modified out traditional view of Galileo in recent times? In his own lifetime Galileo was the centre of v

发表于:2018-12-08 / 阅读(717) / 评论(0) 分类 新概念英语第四册

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(150) / 评论(0) 分类 60秒科学

96

发表于:2019-01-02 / 阅读(331) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Steve Mursky. Got a minute? Orbiting around stars far far away is sand. Astronomers have found sandy particles circling a pair of stars about 2,400 light years from us. And they think they might be

发表于:2019-01-08 / 阅读(189) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola

发表于:2019-01-08 / 阅读(174) / 评论(0) 分类 Scientific American(七)月

反射星云是靠反射附近恒星的光线而发光的,呈蓝色。反射星云的光度较暗弱,较容易观测到的例子是围绕着金牛座M45七姊妹星团的反射星云,在透明度高及无月的晚上,利用望远镜便可看到

发表于:2019-01-08 / 阅读(269) / 评论(0) 分类 托福英语

The Aeneid by Virgil 《埃涅阿斯纪》维吉尔 Mark first read the Aeneid while he was studying Latin in high school, and he recountedthe story of Aeneass quest and his desire to build a city that, he said, quoting the text in English, knows no

发表于:2019-01-17 / 阅读(139) / 评论(0) 分类 阅读空间

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(121) / 评论(0) 分类 自然百科2012年

The reason we can be reasonably confident that such an event won't happen in our corner of the galaxy, Thorstensen said, is that it takes a particular kind of star to make a supernova in the first place. 索尔斯坦森说,有理由相信,这种事

发表于:2019-01-29 / 阅读(155) / 评论(0) 分类 万物简史

The Aeneid by Virgil 《埃涅阿斯纪》维吉尔 Mark first read the Aeneid while he was studying Latin in high school, and he recounted the story of Aeneass quest and his desire to build a city that, he said, quoting the text in English, knows no

发表于:2019-02-01 / 阅读(167) / 评论(0) 分类 阅读空间

Chinas space program has become the first to land a spacecraft on the so-called dark side of the moon. The landing on Thursday brought the country closer to its goal of becoming a space power. The China National Space Administration said the landing

发表于:2019-02-06 / 阅读(141) / 评论(0) 分类 2019年VOA慢速英语(一)月

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(197) / 评论(0) 分类 实用英语

编者按: 我的存在有何意义?我也好,我的民族也好,我的世界也好,我们的存在能起什么作用呢? 我生命的旅程向何处延伸,这个问题真的重要吗?是谁主宰着整个宇宙,他在想些什么呢?

发表于:2019-02-11 / 阅读(146) / 评论(0) 分类 英语名篇背诵

Shortly after Copernicus, in the 1580s, an Italian friar, Giordano Bruno, 哥白尼死后不久,在十六世纪80年代,意大利修道士焦尔达诺布鲁诺提出, suggested the stars were suns that likely had their own planets and that the

发表于:2019-02-13 / 阅读(184) / 评论(0) 分类 TED演讲教育篇

How old is the Earth? 地球的年龄有多大? Well, by counting the number of isotopes in a sample of rock that's undergone radioactive decay, 通过对岩石样品中正经历着放射衰变的同位素计数, geologists have estimated the Ear

发表于:2019-02-13 / 阅读(150) / 评论(0) 分类 TED演讲教育篇

It looks like a hand of God reaching out into the cosmos, but NASA says the display is caused by a young and powerful pulsar. Taken by NASA's Chandra X-ray observatory from it's orbiting 360 miles above the Earth, the recently released photo of Pulsa

发表于:2019-02-16 / 阅读(184) / 评论(0) 分类 实用英语

Now as we pull away from this world -- we're going to keep pulling away from the star now. 现在,我们将视线从这个世界里移出来--我们从这个星球移出来了 One of the things that always frustrated me a little bit about astronomy

发表于:2019-02-21 / 阅读(134) / 评论(0) 分类 TED演讲教育篇
学英语单词
8-Epiloganin
Aberdeen Proving Ground
Abingdon
addressless instruction
AIDP
altar-boy
amv
anonymous bonus
apts.
arsenous ethide
basic titanium sulfate
be ABC
Beaumont-en-Cambrésis
berberidifolia
Bitis
black thermoatomic
buffings
carprofen
cause someone to
Cavellinidae
changable
choosing up
conts
crosiere
cross shear strength
diffraction breakup
distributed parameter amplifier
Dolichometopidae
draught spring
dynamic characteristics of thermal generating units
dynamic fluid machine
Faitor
familial high density lipoprotein deficiency
feedbins
fusafungine
genetically significant dose
geographic north
hazelnut
heartmate
hinged valve
horsemeat
hull borne engine unit
inactivism
industrial banks
inscribed debentures
intomb
kondrashin
lepth cable
ligamenta caudale integumenti communis
louver damper
lymphnoditis
market operator
master cabin
Meclobemide
medium relief
methionyl-lysylbradykinin
minimal sufficient statistic
mycosphaerella garedniae (cooke) hara
N-norarmeparine
normal temperature vessel
pasquali
Pereslavskiy Rayon
petroleum pipe line
Peyreleau
print spooling
progressive gluing
puzzuolana
query generation language
RACE (random access card equipment)
radiocarbontracer
repositing
robot model of human behavior
run-time mathematical support routine
safir
sanguineo-
say this
scalerange
sea-air headquarters
sedimentary tectonics
self-overcoming
sidewalk arm
silica-alumina gel
sit down before
slidewheel
soleus
solution property
sordes
Soulac-sur-Mer
specular screen
spherical chain
Spring Lake Park
spring-summer
staminal
Stendhalian
terminal subspecies
testosterone-estradiol binding globulin
toppled
translatorship
unowned
unregulated flood flow
vitreous sealant
woven fabrics