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RE: [밤하늘의 물리학] Chapter 2. 정적인 우주와 동적인 우주

in #kr • 7 years ago

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very good.
I would be happy if you like to follow me and give your opinion about my posts.
Thanks

7 years ago in #kr by
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     7 years ago  

    Thanks.

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       7 years ago  

      Your welcome😉

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