brown dwarf
褐矮星
常用释义
英式发音
美式发音
基本释义
- 棕矮星：一种天体物体，比普通恒星要小得多，并且质量不足以维持核聚变，但温度足够高以至于能够辐射能量，尤其是红外波长的能量。
例句
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1·Astronomers have named the brown dwarf "WD 0806-661 b".天文学家将这颗“褐矮星”命名为“WD 0806 - 661 B”号。
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2·Brown dwarf star is a class of stellar objects as a mass of about 5-90 Jupiter.棕矮星是类恒星天体的一种，质量约为5至90个木星之间。
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3·Even the brown dwarf COROT-3b (22 MJ) is estimated to be about the volume of Jupiter.甚至褐矮星corot - 3b(22倍木星质量)的估计体积也与木星相差无几。
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4·The star is a brown dwarf - and formed, like other stars, out of a cloud of dust and gas.这颗恒星是褐矮星――像其他恒星一样，外部由尘埃和气体云构成。
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5·Scientists have not ruled out that the COROT-exo-3b may be a brown dwarf, or failed star.科学家们还没有排除COROT - exo - 3b是褐矮星还是不成功恒星的可能性。
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6·This diagram shows a brown dwarf in relation to Earth, Jupiter, a low-mass star and the sun.这张是褐矮星相对地球、木星、低质量恒星和太阳的对比图。
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7·Researchers differ in some details, but the consensus is that this is probably a brown dwarf.研究人员在一些细节上有所不同，但他们的共识是这可能是一颗褐矮星。
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8·The star is a brown dwarf - and formed, like other stars, out of a cloud of dust and gas.这颗恒星是褐矮星——像其他恒星一样，外部由尘埃和气体云构成。
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9·The orbit of the brown dwarf is huge, about 2, 500 times the distance between Earth and the sun.这颗褐矮星的运行轨道相当庞大，大约是地球到太阳距离的2500倍。
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10·It took so long to find because it's an extremely dim and cool kind of failed star called a brown dwarf.因为它亮度很低，是“不成功”的恒星——褐矮星中温度很低的一种，天文学家花了很长时间才找到它。