UFO does not exist, because is too far for UFO to fly to earth,
0 O6 ?$ w7 f. k公仔箱論壇TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。5 v3 ]& z; f) |2 L. L
light travels @300,000km per second, the distance from other planet has live forms may be more than 1 million light yearstvb now,tvbnow,bttvb3 {+ m% Z( O& B0 B; S! \
/ }7 ?, H7 D0 L' P+ g) z6 r1 i* l
distance is the limitation for travel |
發表於 2009-8-7 11:30 PM
| 