ronniecanswim

UFO does not exist, because is too far for UFO to fly to earth,  
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2 M* e0 x5 O) y公仔箱論壇light travels @300,000km per second, the distance from other planet has live forms may be more than 1 million light years0 ~! Y2 U5 C- h  W5 O+ W- n

# v3 U4 U' O$ p1 Y) F5 B- Y5.39.217.77distance is the limitation for travel