亚矮星

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

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

1 ASTRONOMY 天文 astronomy 天文学 astronomical 天文的 astronomical observatory 天文台 astronomer 天文学家 astrophysics 天文物理学 astrology 占星学 pseudoscience 伪科学 cosmos(universe) 宇宙 cosmology 宇宙学 infinite 无限

发表于:2019-02-13 / 阅读(38) / 评论(0) 分类 实用英语
学英语单词
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alglucerase
ALT key
apogon maculatuss
arsinous acid
Artyfechinostomum
ASEAN Regional Forum
baseleveling epoch
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cold probe
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cuneiforms
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deflection
dimethyl phenylethylcarbinol
EO-CFC
eritrichium nipponicum mak.
Eucharistic liturgy
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flood peak reduction
four-way interleaved memory
full-width soaping machine
gas sensitive resistor
genus Leptotyphlops
ground lock
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hand maze
happy family
heinoes
heteroploid series
hold ... against
Hull, Cordell
idyls
informetric
intercommunication logic
jewels-of-opar
life is not all beer and skittles
lophophoral coelom
machineimprinted
Melsetter
minus caster
morewe
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NANA
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non-vital
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pompously
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Rastenberg
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Robert Floyd Curl Jr.
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the morning star
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