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UFO does not exist, because is too far for UFO to fly to earth,  % X' B" N. |: U* M

, h3 S) \. w1 G" E# R6 M$ Q, h8 Glight travels @300,000km per second, the distance from other planet has live forms may be more than 1 million light years
" M+ _1 s0 p) x- \/ H' x  k% [tvb now,tvbnow,bttvbtvb now,tvbnow,bttvb$ v" d- i8 i4 w2 }. e5 }  ]" `
distance is the limitation for travel
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