Invisible Alien English Subtitles

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In 2047,

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a mysterious planet intruded
into the solar system.

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Its orbit is almost perpendicular
to the ecliptic plane of the solar system.

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Its signals hold a line with slope -1,
which follows Zipf's law,

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and have much more information entropy
than human languages.

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Humans believed that it was an invitation
from a highly intelligent civilization.

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The planet is called Messenger.

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The edge of the solar system Kuiper Belt

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Deep Space