木星的卫星木卫四和木卫三也可能有水。
信号是来自木星的卫星木卫三和肯定是人工性质研究。
The signal was coming from Jupiter's moon Ganymede and was definitely artificial in nature.
但最新的引力数据却显示，泰坦星和木卫三经历了完全不同的演化历史。
But the new gravity data suggest that Titan and Ganymede had very different evolutionary histories.
木卫三，木卫二和木卫一在木星的一边，而木卫四却在另一边。
Ganymede, Europa and Io are on one side of Jupiter, while Callisto is on the other side.
木星轨道左侧最远的是木卫四，然后是木卫二和木卫一，独自在右侧的是木卫三。
Farthest from Jupiter is Callisto, with Europa and Io all left of the planet's disk, while Ganymede stands alone at the right.
最终还是决定发出一个信号，以精确的位置，该消息是来自木卫三上。
Eventually it was decided to send a signal to the exact location that the message was coming from on Ganymede.
木卫一和木卫二大约和月球一样大，而木卫三和木卫四大概是月球直径的一半。
Io and Europa are about the same size as our moon, whereas Ganymede and Callisto have diameters that are half again our moon's diameter.
根据离木星的距离排列，木星的4颗卫星依次为：木卫一、木卫二、木卫三、木卫四。
In their outward order from Jupiter, Jupiter's 4 major moons are Io, Europa, Ganymede and Callisto.
木卫一和木卫三也是在这个图片可见，前一靠近木星的中心，后者是右上角附近的蓝点白点。
Io and Ganymede are also visible in this image, the former a white spot near Jupiter's center and the latter a blue spot near the upper right.
最后经过一个月多，信号检测来自木卫三的原始来源电台和令人难以置信的是它的代码在莫尔斯。
Finally after more than a month, a signal was detected coming from the original radio source on Ganymede and incredibly it was in Morse Code.
然而，木星最大的卫星木卫三将会出现在木卫一和欧罗巴的同一侧，虽然它距离木星近轨有三倍距离。
However, Jupiter's largest moon Ganymede will appear on the same side of Jupiter as Io and Europa, though at some 3 times farther out from the Jovian disk.
难道真的美国宇航局和SETI天文学家探测木星最大的卫星，木卫三，一，在1980年的外星人信号？
Did NASA and SETI astronomers actually detect an alien signal from one of Jupiter's largest moons, Ganymede, during the 1980's?
最新消息：美国宇航局和SETI天文学家发现外星人的无线电信号的人工卫星源于木卫三最大，一木星的。
Breaking News: NASA and SETI Astronomers detect an artificial alien radio signal originating from Ganymede, one of Jupiter's largest moons.
木卫三是木星在太阳系中最大的卫星，它的地下海洋可能在表面以下近100英里处，这给了我们可能有地外生命的希望。
The subterranean ocean likely lies nearly 100 miles below the surface of Jupiter's moon, the largest natural satellite in the solar system, giving hope that life beyond Earth is possible.
有科学家正在提议，未来可能的木星探测计划能够在木卫二和木卫三上搜寻地下海洋，那里或许拥有一些对维持生命十分重要的元素。
Possible future missions to Jupiter are being proposed that can search Europa and Ganymede for deep oceans that may harbor elements thought important for supporting life.
有科学家正在提议，未来可能的木星探测计划能够在木卫二和木卫三上搜寻地下海洋，那里或许拥有一些对维持生命十分重要的元素。
Possible future missions to Jupiter are being proposed that can search Europa and Ganymede for deep oceans that may harbor elements thought important for supporting life.
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