UFO does not exist, because is too far for UFO to fly to earth, 4 F' V7 Y1 e0 B1 m& B2 A0 M4 E2 stvb now,tvbnow,bttvb5.39.217.76# {" M* |8 d1 d5 h) q1 _
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2 U3 H! |5 b+ R* g
( t- x2 o; U& b: N8 }8 x. x; y5 Vdistance is the limitation for travel
UFO does not exist, because is too far for UFO to fly to earth, 公仔箱論壇8 {: M- p0 T% k$ i, o* z0 e
5.39.217.76' ~2 [6 b( e* y% {/ K0 { Y; V8 s
light travels @300,000km per second, the distance from other planet has live forms may be more than 1 million light years5.39.217.76: Y% g! `# I2 ?
5.39.217.76/ I$ S4 u4 J0 i7 y6 W( l: S4 X: `
distance i ... 8 n! |6 Q& V; ^ronniecanswim 發表於 2009-8-7 11:30 PM
3 A9 ]! W0 R1 _ U1 ]6 ztvb now,tvbnow,bttvb + [5 M/ p% Z* z! g4 _. p) V) UYou are right, light speeds seems impossibly fast for human, but it might NOT be the case for UFO. Keep this in mind, human's technology is limited to human, there are a lot more material or something we don't even know in outer space.