凹凸不平的山地

It means that Silk and Ree's theory may be right and if it is also right that supermassive black holes helped trigger star formation, then it must mean that all giant black holes and their galaxies ar

发表于:2018-12-07 / 阅读(410) / 评论(0) 分类 超大质量黑洞

In every galaxy scientists looked at, they found evidence for a supermassive black hole. NGC 3115 NGC 3377 NGC 3379 In M31 and M32 In total there is probably 20-30 or so black holes that have been fou

发表于:2018-12-07 / 阅读(510) / 评论(0) 分类 超大质量黑洞

In March 2000, two astronomers made an extraordinary discovery, one that is set to overturn our understanding of how the universe formed. We're never going to see a time like this in astronomy again.

发表于:2018-12-07 / 阅读(558) / 评论(0) 分类 超大质量黑洞

But we are just one in 125 billion galaxies of different shapes and sizes spinning through space. Yet scientists haven't been able to explain how a single one of these galaxies was created. Galaxy for

发表于:2018-12-07 / 阅读(543) / 评论(0) 分类 超大质量黑洞

This ferocious heart of brilliant hot gas is called a quasar. Scientists thought this whirling mass might be caused by a giant black hole sucking up gas and stars, literally feeding on the center of a

发表于:2018-12-07 / 阅读(416) / 评论(0) 分类 超大质量黑洞

EXPLORATIONS - Blue Holes: Some of the Least Explored Areas on Earth BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands s

发表于:2018-12-07 / 阅读(220) / 评论(0) 分类 2011年VOA慢速英语(十一)月

[00:00.52] 12.18 Holes in His Mind [00:06.29]Major James Nesmeth had a dream of improving his golf game and he developed a unique method of achieving his goal. [00:14.35]Until he devised this method, he was just your average weekend golfer, shooting

发表于:2018-12-26 / 阅读(179) / 评论(0) 分类 温馨夜读II

[00:02.69]Module 5 ACTIVITIES [00:05.80]UNIT 1 I'm watering the new trees. [00:10.91]1 Listen and read. Then say. [00:14.84]I'm standing on the hill. [00:17.65]Some teachers and students [00:20.24]are walking up the hill. [00:22.48]They are carrying

发表于:2018-12-29 / 阅读(170) / 评论(0) 分类 外研社新标准初中英语七年级

What is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientists think that a black hole is a region of space (not a thing) i

发表于:2019-01-02 / 阅读(208) / 评论(0) 分类 双语有声阅读

Those stars don't feel the black hole. They feel the rest of the stars in the galaxy. They don't know or care that the black hole is there. If you took the black hole away from the galaxy, they would

发表于:2019-01-02 / 阅读(475) / 评论(0) 分类 超大质量黑洞

If, as it now seems, every single galaxy has a black hole at its heart, this can't be a coincidence. Perhaps black holes are an essential part of what galaxies are and how they work. No one had expect

发表于:2019-01-02 / 阅读(492) / 评论(0) 分类 超大质量黑洞

Supermassive Black Holes Muse oh baby dont you know i suffer? oh baby can you hear me moan? you caught me under false pretences how long before you let me go? you set my soul alight you set my soul alight (you set my soul alight) glaciers melting in

发表于:2019-01-03 / 阅读(235) / 评论(0) 分类 电影歌曲

SCIENCE IN THE NEWS - Stephen Hawking and Black Holes / Quantum Theory By Caty Weaver Broadcast: Tuesday, August 17, 2004 VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Dought

发表于:2019-01-07 / 阅读(241) / 评论(0) 分类 科技之光

BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands surface. These cave systems form in carbonate rock, often on islands.

发表于:2019-01-12 / 阅读(216) / 评论(0) 分类 2010年VOA慢速英语(十一)月

New Data Adds to Understanding of 'Black Holes' WASHINGTON Scientists continue to learn more about black holes in space, places where the pull of gravity is so strong that not even light can escape. Black holes occur after supergiant stars explode in

发表于:2019-01-14 / 阅读(247) / 评论(0) 分类 VOA标准英语2016年(九月)

China launches its first X-ray space telescope to observe black holes, pulsars and gamma-ray bursts, via a Long March-4B rocket from Jiuquan Satellite Launch Center in northwest China's Gobi Desert on June 15, 2017. [Photo: thepaper.cn] China launche

发表于:2019-01-19 / 阅读(220) / 评论(0) 分类 2017CRI中国国际广播电台

今天我们要学的词是bumpy road。 Bumpy road坎坷的道路。A bumpy road lies ahead for the U.S. auto industry, 美国汽车工业前途曲折。美国六月份失业率是9.5%。The current unemployment rate highlights the bumpy road to rec

发表于:2019-02-04 / 阅读(192) / 评论(0) 分类 英语每日一词

今天我们要学的词是bumpy。 Bumpy颠簸的,困难重重的。美国全国企业经济学家协会的一项最新调查发现,More than 90 percent of economists predict the recession will end this year, although the recovery is likely to b

发表于:2019-02-07 / 阅读(193) / 评论(0) 分类 英语每日一词

今天我们要学的词是bumpy road。 Bumpy road坎坷的道路。A bumpy road lies ahead for the U.S. auto industry, 美国汽车工业前途曲折。美国六月份失业率是9.5%。The current unemployment rate highlights the bumpy road to rec

发表于:2019-02-07 / 阅读(186) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是bumpy。 Bumpy颠簸的,困难重重的。美国全国企业经济学家协会的一项最新调查发现,More than 90 percent of economists predict the recession will end this year, although the recovery is likely to b

发表于:2019-02-07 / 阅读(179) / 评论(0) 分类 英语单词荟萃
学英语单词
a rummage sale
Actinidia cinerascens
ad hoc task
albuginea of cavernous body of penis
allocholestanone
amnigraphy
asahikawas
attendant's switchboard
basket fishing
Bekesszentandras
bench and stool cover
bsn
camoys
cartographic symbol list
chemical drain system
chloro-acetyl fluoride
Christmahanukwanzakah
clamp silo
connective tissue bones
conventional heat treatment
coopaphene
cryphaeus formosanus
Cushing, Harvey Williams
cutting-sphere-method
DC lube oil pump
detailed drawing
detergent line
dynam.
effective coefficient of local resistance
electro-hydraulic steering gear
electrode implantation
endogenotes
Fakestinian
foreign securities
fridlund
galyan
GWW
h.c.l.
harris band
horizontal cross brace
hydrogen-in-petroleum test
import substituting economy
india mustard
input/output statement
inside point diameter
intelligent paper
katabatic winds
KIMSA
Kirschner wires
limonia (goniodineura) immetata
lithy
logical switch
lower bituminous coal
lymphoplasmia
magnetoneurography
manganniobite
mcwilliam
message retention area
middle irishes
mill join
multiplecore cable
musolin
night interception
non-expendable equipment
normal anterior presentation
normal endomorphism
okimoto
overperformer
parallel-conducting-plate dielectric resonator dielectrometer
Pernegg an der Mur
pneumatic piston gauge
polyaramids
precautional
precipitating bath
punnery
radial labyrinth
rainswepts
regular wave
ribbands
rotary camera
Salocolum
sausage-roll
self interrupter
sign magnitude arithmetic
sino-carotid
sivaisms
skilledness
speech rhythms
spice sth up
stables
state variable feedback control
stenomelania costellaris
stocking foot
subsequent waterfall
suprameatal spine
take a strong line
tv-free
unluckinesses
weaversbroom
weft fork motion
zab