太阳X射线耀斑

Scientists Improve Space Weather Forecast Accuracy 科学家改进空间天气预报准确性 At one time, scientists thought the space between Earth and Sun was a vacuum . But we now know that the su

发表于:2018-11-29 / 阅读(106) / 评论(0) 分类 VOA2005(下)--环境科学探索

It sits a million miles away from the Earth 它位于距地球一百万里处的 at the Lagrangian point 拉格朗日点 where the gravitational pull from the Earth and the sun is equal. 此处地球和太阳的引力相等 Fixed in space it has an u

发表于:2018-12-07 / 阅读(80) / 评论(0) 分类 太阳科普

Solar Eclipse in 1097 May Be Rock Carving Subject 古代雕刻记载天文景观 More than 900 years ago, the Pueblo people were thriving in New Mexicos Chaco Canyon. While they were there, the region experienced what the whole country is looking for

发表于:2018-12-24 / 阅读(44) / 评论(0) 分类 2017年Scientific American(八)月

While you were going about your day on February 24th of this year, the sun was ejecting a massive jet of particles into space. This phenomenon is known as a CME, a coronal mass ejection and they often come after a solar flare. Luckily for us on earth

发表于:2018-12-28 / 阅读(30) / 评论(0) 分类 轻松英文阅读

2.WELCOME TO THE SOLAR SYSTEM 2.欢迎来到太阳系 Astronomers these days can do the most amazing things. If someone struck a match on the Moon, they could spot the flare. From the tiniest throbs and wobbles of distant stars they can infer the siz

发表于:2019-01-29 / 阅读(30) / 评论(0) 分类 万物简史

Even after stripping out the more crackpot notions there are still more theories for what caused the extinction events than there have been events. 即使去掉了不大切合实际的观点以后,解释灭绝事件原因的理论依然多子事件本

发表于:2019-02-17 / 阅读(35) / 评论(0) 分类 万物简史
学英语单词
acetylene generator
acrid
add gradually
admission-free
alkyl tosylate
amesnable
annulatus
anticausatives
antiendotoxins
argillaceous desert
bordering minor
bowplane
business proceeding
cable bedding
Cachari
Chilaiditi
city men
climatic geomorphology
coast land
consolatory
cramp iron
crestiform
criminological facts and figures
declare deadweight
demifine
dendroclimatologically
dextrocompound
discontinuers
edwige
Euler's diagram
femtomolar
Ferreira Gomes
fire cleaning
floatation buoyancy
gap junction
Georgiaceae
groin centering
heart-pea
hemiramphus lutkei
high velocity index lubricating oil
Humulus L.
hypsithermal age
illbient
Imperial Res.
imunopathology
index plate (index dial)
irregular structure
ischemic neuritis
justily
Kachīsī
keep strict watch
keygen
La Barthe-de-Neste
line stop
loop tape recorder
lu pei
Manturovo
master subsystem
maternal cell
men in chess
multiple jack
narrow tee
NDRBS
non-lysogenic
noncognizant
normal position switch indicator
overtop
paperless trading
peripheral interface register
pink of perfection
power panelboard
pozzolanic cement
pramipexole
pressure variograph
pruning peaches
prusiano
puketastic
Q-fiber method
re-presented
reduced natural frequency
reduction bleaching
richmondena cardinaliss
rye flour
Santos-Dumont, Alberto
scratchstock
Shabunda
Simmersbach
simple pitch diameter
slough
Sri,sri
stethoscopes
Sunni Muslim
survey method of cost allocation
time dependent mechanism
true cycle
Uglovka
ventricular fusion beats
vortals
Weer.
wienies
wnning bowline
youg