ronniecanswim

UFO does not exist, because is too far for UFO to fly to earth,  2 l+ ^) L4 k4 {; V6 w3 I1 m) ^
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light travels @300,000km per second, the distance from other planet has live forms may be more than 1 million light years公仔箱論壇3 X5 L+ b- S9 j) C0 e5 R
公仔箱論壇" \+ p- D# K" ]" N0 A" }
distance is the limitation for travel