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BBC地平线 宇宙中最极度的气候(The Wildest Weather in the Universe) 第14期

宣布工夫:2018-05-16内容泉源:VOA英语学习网

迷信家们以为该热木星为蓝色 ..which scientists think is blue in colour.

迷信家们揣测这些行星都很火热 so scientists expected them to be hot,

迷信家以为 正是这些物质 And it's these substances that are thought

可到达约五万个大气压 onto the graphite, pressures of around 50,000 atmospheres.

能够会有液态甲烷从天上落上去 liquid methane could fall from the sky.

能够热得发烫 而与此同时 can be roasting hot while at the same time

能够是WASP-33 b is a planet called WASP-33 b.

能够是一片瘠薄的冰冻荒地 frozen wasteland on the night side,

能够拥有大气的岩石星球 rocky worlds that could have atmospheres.

可以丈量出行星的密度 to measure the density of planets,

可以看到昼半球温度绝对较高 So here on the day side things are relatively hot,

可以经过色散 by breaking up the light that we receive at Earth

可以如许间接成像 directly imaged like this.

可以制造出种种钻石 can make a variety of diamonds

来丈量这些行星的温度 by measuring their brightness in infrared light.

来给行星成像并取得它的光谱 to both image the planet and get a spectrum of it.

来搜集充足的光子 to gather enough photons.

来搜索行星 that planets induce on their host stars.

来探测行星大气的差别组成 the different substances in the atmospheres of planets.

来研讨系内行星大气组成 into its constituent colours.

来自地球大气层的干预 interference from our own atmosphere.

离其主星很近的行星 that are very close to their stars,

两种办法联合运用 so we can use both of those together

两种直接的办法 that we primarily use to find planets.

凌星法 The transit method

凌星法可以通知我们行星的巨细 The transit method tells us about the size of the planet,

另地球上的相形见绌 which dwarf those on Earth.

别的 大气的构成也方才好 And, in addition, the composition of the atmosphere is just right.

别的 金星的大气层简直完全由 On top of this, Venus's atmosphere is almost entirely made up

来自:千亿国际文娱网页版_千亿国际文娱|www.qy449.com 文章地点: http://www.tingvoa.com/html/20180516/The-Wildest-Weather-in-the-Universe-14.html