盾牌δ型星

Possible Earth-Like Planet Next Door? Scientists say they discovered an Earth-like planet orbiting the star closest to our planet other than the Sun. It is the closest planet ever found outside our solar system that could support life as we know it.

发表于:2018-12-16 / 阅读(92) / 评论(0) 分类 2016年VOA慢速英语(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Most plants capture sunlight. And the results are usually green. Because in photosynthesis, plant chlorophyll uses wavelengths of blue and our sun's ab

发表于:2018-12-24 / 阅读(36) / 评论(0) 分类 Scientific American(四)月

Winking Star Six Centuries Ago Explained 揭秘600年前那颗一闪即逝的恒星 On March 11, 1437, Korean royal astronomers noticed something out of the ordinary in the night sky. There was a brand new star they'd never seen before, between two o

发表于:2018-12-24 / 阅读(27) / 评论(0) 分类 2017年Scientific American(九)月

追随能够改变你命运的那颗星,那颗永远在你心中闪烁的明星。当它在你面前闪耀时,抓住这宝贵的机会。 Catch the star that holds your destiny, the one that forever twinkles within your heart. Take advantage of p

发表于:2019-01-02 / 阅读(32) / 评论(0) 分类 Faith轻松电台

Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H

发表于:2019-01-02 / 阅读(46) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? You could think of it as the real dancing with the stars. Two white dwarf stars have been found twirling around each other to make a complete orbit in less than every 13

发表于:2019-01-08 / 阅读(46) / 评论(0) 分类 Scientific American(七)月
学英语单词
11-Hydroxyetiocholanolone
accostable
aecidium machili
aggrievedly
Agit. vas.
always on demurrage once on demurrage
anti-friction wheel
antiidiotypic
apobsidian
asfa
biointegration
blando
blossoom fall
bump fuzzies
cages in
calipesh
Castor and Pollux
cayratia tenuifolia
compressed air inlet
constant-power generator
critical concentration
declarable content
Diketobutane
dolci
edaphocyanophyceae
extreme elevation
family of mappings
federal medicine
ferrous electrode for welding cast iron
Flotta
fourier transform optics
ganancial property
glove valve
goldstars
hexenose
hilltown
hot nucleus
ignition chamber
inclinometer
jig step
kageneck
kaszniak
keoboualapha
launde iron
longest service time
machine carding
malaria remittens
master control circuit
misbehave
multidimensioned
multioctet coded character set
nihonia mirabilis
north-westward
onychopathic
Pasteur's liquid
pazner
Phlebotomus intermedius
photo sensor
pill transformator
poll-parrot
presuperscript
prophets of gloom and doom
protective operation
psoriatic arthropathy
quarter waiters
radio air letter
radir
range clock
range-sweep
raspberry
rated impulse-with-stand voltage
red-deer
remounting
resounding
rhombus baseline
sasquatches
savoury herb
screw-shaft tunnel
shrinkage of soil
slacking off
spider-line
stack job processing
story world
sude
swazzled
synthetic options
tabled joint
That's the stuff!
theater airlift
there is nothing to choose between
tiaperamind
tide sets out
total sediment transport capability
traction moower
two-input switch
uranediol
valley of corrugation
waste your breath
west bengals
wildfowls
young one
Zumbusch