1光年＝？年【最科学算法】请看第46回帖！

[einsteins_ghost]

http://www.flat-earth.org/
the earth is flat!!!

 

[einsteins_ghost]

How does the flat earthers know what they know is the "truth"?

 

[乌鸦乌鸦]

我的研究成果竟然被人抢注了！