• 当天文学家发现了恒星他们就观察周围行星

    When astronomers have found the star, they look at the planets around it.

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  • 但是他们寻找源头时,发现那里什么都没有:没有恒星,也没有行星

    But when they looked for the source, there was nothing there, no planet, no star.

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  • 行星围绕年轻恒星旋转气体灰尘状物所组成

    Planets form from a disk of gas and dust swirling around a young star.

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  • 用这种方法容易发现大量运行轨道接近它们的宿主恒星行星

    The method most easily finds very massive planets that orbit close to their host stars.

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  • 幅艺术想象图表现了围绕冷却恒星年青行星

    This artist's conception shows a hypothetical young planet around a cool star.

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  • 艺术概念展示已知最小拥有行星恒星

    This artist's concept shows the smallest star known to host a planet.

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  • 天狼行星地球夜空明亮的恒星画面右边

    Sirius, brightest star in planet Earth's night sky is at the far right.

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  • 首先行星位置非常接近所属恒星其次相当沉重

    The first is its location so close to its parent star. Second, despite its size, it is quite heavy.

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  • 这些行星恒星意味着它们熔岩覆盖

    Their proximity to their stars could mean they are covered in lava.

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  • 首先行星位置非常接近所属恒星,其次,虽小却相当沉重。

    The first is its location so close to its parent star.

    youdao

  • 恒星及其行星一种微妙必然的方式产生相互影响。

    Stars and their planets can influence one another in subtle but inevitable ways.

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  • 欢迎地球,一被称作太阳恒星第三行星

    Welcome to planet Earth, the third planet from a star named the Sun.

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  • 科学家行星与其恒星距离适中,可能存在水分

    Scientists say the planet's distance from its primary star means it may contain water.

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  • 但是WD 0806- 661B号星球不是行星——而是一颗非常恒星

    But WD 0806-661 B is not a planet - it's a very small star.

    youdao

  • 然而如果看到星群移动一个星群,不是恒星,是一颗行星

    However, if you see it move from one group to another, then it is not a star but a planet.

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  • 但是发现特别恒星多于一颗行星围绕的情况却很不常见。

    But only occasionally is more than one found orbiting any particular star.

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  • 接近恒星行星就有着效应并且围绕恒星运行的速度也就

    Big planets close to a star have big effects and orbit quickly.

    youdao

  • 请记住地球恒星行星是一样的,空心的。

    Remember that Earth, like all stars and planets, is hollow.

    youdao

  • 围绕遥远恒星运行的行星形成了一个真正的异域太阳系

    Five planets orbiting a distant star form a real alien solar system.

    youdao

  • 于是太阳月亮行星恒星穿过天空时向西运动

    Therefore, the sun, moon, planets and stars appear to move westward across the sky.

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  • 围绕恒星费利克斯旋转的第四行星

    It is the fourth planet in orbit around the star Felix.

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  • 太阳月亮行星恒星天体

    The sun, moon, planets, stars, etc. are heavenly bodies.

    youdao

  • 行星可能环绕恒星运行。

    The planet is probably in orbit around a small star.

    youdao

  • 太阳恒星地球只是行星

    The sun is a star and the earth is one of its planets .

    youdao

  • 不是恒星而是一颗行星

    It's not a star but a planet.

    youdao

  • 通常,探测行星普遍的方法就是探测波动恒星

    The commonest way offinding a planet is to look for a star that wobbles.

    youdao

  • 七个类地行星外星世界浸润他们所属恒星凉爽红色阳光之中。

    Seven alien, Earth-sized worlds bask in the cool, red light of their parent star.

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  • 行星环绕恒星公转的天体

    A planet is a celestial body orbiting a star.

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  • 也是一样行星恒星

    The same is true of stars and planets .

    youdao

  • 也是一样行星恒星

    The same is true of stars and planets .

    youdao

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