基本解釋棕矮星；褐矮星英漢例句雙語例句Brown dwarfs are balls of gas whose mass is generally dozens of times that of Jupiter.棕矮星是一種氣躰球，它們的質(zhì)量僅是木星的幾十倍。Brown dwarfs are balls of warm gas that lack the mass necessary to fuse hydrogen at their core, as stars can.棕矮星是一些由熾熱的氣躰組成的球，它們?nèi)狈ο裥行悄菢幼銐虻馁|(zhì)量來進(jìn)行氫的燃燒。Since there is a higher chance of such close encounters in dense star clusters, we might expect to detect more brown dwarfs there, he says.他還說，既然在稠密的星簇裡，近距離接觸産生的機(jī)會(huì)比較高，由此我們可以期待著檢測到更多的棕矮星。權(quán)威例句MACHOs could well be white dwarfs--overturning a common belief that the dark matter would consist mainly of lighter interstellar garbage such as brown dwarfs.ECONOMIST: The dark side of cosmologyThe first kind, the chunks, could be anything in size from dust grains, up through rocks and asteroids, to brown dwarfs (condensed lumps of gas not quite heavy enough to be stars).ECONOMIST: The dark side of cosmologyThe problem is that brown dwarfs have been discovered orbiting other stars, and it is thought that planets can sometimes be ejected from their natal solar systems as a result of gravitational interactions, and may thus be found drifting in space.ECONOMIST: Twinkle, twinkle, giant planetbrown dwarf更多例句詞組短語短語brown dwarfbrown dwarf star 棕矮星proto -brown dwarf 原褐矮星sub -brown dwarf 外存在一個(gè)亞褐矮星brown dwarf star 棕矮星brown dwarf desert 褐矮星沙漠brown dwarf更多詞組英英字典柯林斯英英字典 a type of celestial body midway in mass between a large planet and a small star brown dwarf劍橋字典brown dwarf柯林斯字典專業(yè)釋義天文學(xué)棕矮星褐矮星