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Can sun's gravity help us call ET?

A space probe at the correct position and distance could exploit gravitational lensing, illustrated here, to make detailed studies of other solar systems and possibly help us communicate with alien civilizations.
A space probe at the correct position and distance could exploit gravitational lensing, illustrated here, to make detailed studies of other solar systems and possibly help us communicate with alien civilizations.


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It might be possible to use the sun as a long-distance telephone to reach out and talk to aliens, some scientists believe.

By utilizing the massive gravity of our nearest solar neighbor, a huge telescope could be built, allowing earthlings to send and receive amplified signals to and from extraterrestrial beings, Space.com reports. ...(点击美国在线查看原文)

太阳能帮地球人联络外星人?

       随着人类科技发展,陪伴了地球几十亿年的太阳很可能会摇身一变,成为一个超级大喇叭,帮助地球人联络遥远外太空的外星人。

       根据爱因斯坦的相对论,像太阳这么巨大的物体,其自身的重力能够扭曲周边的时空。如果人类能在地球和太阳中间找到一个合适的位置,建立信号发射基站,太阳就会像一个超级扩音器一样,把基站发送的信号放大,再传递到更遥远的外太空中,这样就能大大增加人类联络到外星人的机会。

       提出这个理论的科学家表示,整个计划的关键就是要找对建立空间站的位置,充分发挥太阳的放大作用。这位科学家同时还提出一个疑问,既然太阳都诞生那么久了,那会不会有先进的外星文明已经发现它的扩音器功能,早早就向地球发出信号了呢?

       因此,他建议研究外星文明的学者们更新研究设备,加强接受信号的功能,说不定他们立刻就能听到外星人对我们喊话呢。

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