Heart-stopping moment for a gasping crowd at Wentworth as they watch two planes on 'collision course' on approach to Heathrow - But Air Traffic Control say it was perfectly safeTVBNOW 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。+ @- l: X( Q( \# I$ o
By Eddie Wrenn公仔箱論壇9 |5 {8 q- H, R0 h" x. S
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At first, everyone was rooted to the golf.tvb now,tvbnow,bttvb* ^( a7 B: a+ J
# O! M d; J8 \* E' V9 OBut then a murmur went around the crowd at Wentworth golf course, which is under Heathrow's flight path and the scene of the 2012 BMW PGA Championships, and attention turned away from the game and towards a drama unfolding in the skies above.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。, N+ v( g( d' _- v2 H: K; \
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Two planes were flying overhead - and they seemed to be on a fatal collision course." ^+ v& S% h4 P* H- @3 S G% s+ q
9 d# n9 u: Q. v0 N. T% q9 KTVBNOW 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。A gasp went round the stands as the hundreds of spectators watched the larger plane catch up with the smaller one, and the observers took a collective breath as they watched the seemingly inevitable events unfold.) c' _- j& w9 p1 n7 R: q; v
/ c6 T: n9 v- e# vTVBNOW 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。But the only victims here were the golf spectators, who by chance happened to be perfectly placed for a unique optical illusion.tvb now,tvbnow,bttvb% x( F5 d9 b# ~: e7 `; J
5.39.217.76+ t( d- S7 h3 X. b2 S* h$ L 2 e6 F" ^+ } {3 h8 Dtvb now,tvbnow,bttvbThose planes look close: As the Wentworth golf spectators look up, tension begins to mount as the 'larger' plane begins to catch up with the smaller one * b3 c5 H! g6 N1 i# LTVBNOW 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。tvb now,tvbnow,bttvb$ p/ ]( ]: g5 j6 D 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。, I3 @& l+ l" J }' X4 e
As the planes came together, the crowd diverted their attention and watched nervously for catastrophe# N: h( U! |4 l+ P H0 u, U
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。- `/ x; V6 R8 F# B' K( W4 j" @ 7 q( z% O+ D, b! ]. z8 v! bTVBNOW 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。There were gasps from the galleries as the planes approached each other and a crash seemed imminent, {" {; G/ a( P& a0 C
公仔箱論壇& h. Q) s0 v, Q , y8 r* K! @6 G6 z' vMoment of 'impact': As the crowd squeezed their collective eyes shut, the planes hit - and the illusion is broken公仔箱論壇0 k6 `; z& Z- P8 V; `
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...And the planes separate, perfectly safe all along, and the crowds realise they had been fooled by an optical illusion - and the golf can continue : }5 v/ K6 c6 L, k+ n+ ETVBNOW 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。 " |# O _. V" h) i' z' m3 x. T0 b公仔箱論壇Suddenly, the planes merged - and the penny dropped. For what the crowd was taking part in was a unique mass-optical illusion. % E" ]; B8 i, e2 m4 R9 xtvb now,tvbnow,bttvb 0 y/ E" ~6 q$ p7 S5 H; w. W7 IThe planes - despite seeming to touch for the ground-based observers - were in fact thousands of feet apart, taking part in a process named as 'stacking' as they waited in line to descend into Heathrow. 1 J" p% Y, @2 ^ G# a3 iThe London airport is one of the world's busiest, with more than 1,300 flights arriving or leaving each day, and air traffic controllers organise the planes into the stacking procedure. # R, {* x- ?/ ?* M4 k& ]; _9 y5.39.217.76公仔箱論壇3 _" C$ Y4 D1 e0 X, o! f0 _
Naturally, the 'bigger plane' is much closer to the camera, and likely to be a mile or two away from the the 'smaller' plane up above.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。. v! c+ C/ M8 \$ ]6 o
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A spokesman for the Air Traffic Control at Heathrow said: 'We do hear reports of these from time to time - especially in the summer when it is a perfectly clear day and there are no visual reference points, making it appear that two planes are close.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。 R' l: W- I2 h3 u1 S& ]; A* z$ U+ f; E
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'However at all times, planes are are kept five horizontal miles apart and a least 1,000 feet vertically, and this is monitored by both pilots and radar, so even when it looks like the planes are close, there is no danger.' 8 M6 l, o& b, r1 J5.39.217.769 b) ~' ?! M' ~
So this can be a common enough optical illusion if you live under a flight-path. 2 @5 L6 L0 T( w' ? 0 V4 |; e q! t! ^/ t' uBut for a group of spectators on a sunny Saturday, it was a heart-stopping few seconds which they are sure to never forget.tvb now,tvbnow,bttvb6 ~: s" K8 I+ c7 i( Q: {
tvb now,tvbnow,bttvb* D1 V( @! ~9 K3 P( L. L f* y# C & J+ d! \- f i* t4 o% eStacking explained: Planes join a queue, always at least 1,000 feet apart vertically-wise and with a five-mile gap horizontally, when waiting for a runway公仔箱論壇 g9 n1 t4 O7 I6 V8 z
( F5 N5 g1 ]2 D. H 2 y. \" |5 m/ W l! \ ytvb now,tvbnow,bttvbPerfectly placed: The crowd were in prime position for the action - unfurling at both ground level and in the skies above作者: tyktyk22000 時間: 2012-5-30 01:45 PM 標題: 上空現撞機疑雲原來是肉眼錯覺
英國希斯路機場附近一個高爾夫球場，上周六舉行比賽期間，觀眾抬頭看到天空上兩架飛機相距甚近，眼看快要撞機，紛紛報警，但原來全是肉眼上的錯覺。5.39.217.76# b0 }& ]+ o3 f* v5 }& h
* Y6 k+ M: g) E希斯路機場控制中心發言人解釋，所有飛機在飛行時，均會保持5哩橫向、和至少1000呎垂直距離，但從地面看上去，卻會有「快要撞機」的錯覺。 ; A$ M3 _' o1 u+ V公仔箱論壇% {4 y2 _4 f% u, x
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。, I3 @& l+ l" J }' X4 e
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