NASA----飞碟不再不明

04.19.04

UFOs aren't necessarily alien spacecraft.

And some purported UFOs aren't UFOs at all.

Take the example from Apollo 16.

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Image above:High-resolution, digital scan of a full frame from the original Apollo16 film showing the object in question (top center) and its positionrelative to the moon.

Reflections in the window are also visible (left and right).

Credit: NASA

Beginning their return from the moon to an April 27,1972, splashdown, Astronauts John Young, Thomas Mattingly and CharlesDuke captured about four seconds of video footage of an object thatseemed to look a lot like Hollywood's version of a spacecraft fromanother world.

从他们返回从月球到72年4月27日， splashdown ，宇航员约翰杨，托马斯马丁利和查尔斯杜克抓获大约4秒钟的录像的对象，似乎看起来很像好莱坞版本的航天器从另一个世界。
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Image on right: Image enhancement of the object and linear feature. Credit: NASA

The thing was described as "a saucer-shaped object with a dome on top."

Theimages were captured with a 16mm motion picture camera shooting at 12frames per second from a command/service module window. The objectappears momentarily near the moon.

As the camera pans, it moves out of the field of view.

It reappears as the camera pans back.

It appeared in about 50 frames.

Some very bright people recently worked hard to analyze that footage.

Their conclusion was that the object wasn't at all what some observers thought it seemed to be.

There is no indication the Apollo 16 crew ever thought the film showed anything special.

A group headed by Gregory Byrne of Johnson SpaceCenter's Image Science and Analysis Group completed a report on itsinvestigation earlier this year.

Theyused a video copy of the film initially, then did a high-resolutiondigital scan of the original film for detailed analysis.

他们使用一种视频拷贝的电影最初，然后做了高分辨率数字扫描的原始影片详细的分析。
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Imageon left: View of the Apollo Command/Service Module from the LunarModule during Apollo 17 showing the location of the EVA floodlight/boom.

Credit: NASA

They stabilized images to correct for camera movement, and then aligned multiple frames in a sequence.

Onething that showed them was that the object appeared to move slightlywith respect to the moon, because of parallax brought about by slightcamera motions and the nearness of the object to the camera.

The investigators also combined several frames in asequence, to give them higher resolution and greater contrast thanindividual frames.

The combinations showed them more clearly a "linear feature" attached to one side of the object.

They also looked at archived images from other Apollo missions.

Bottom line: "All of the evidence in this analysis isconsistent with the conclusion that the object in the Apollo 16 filmwas the EVA [spacewalk] floodlight/boom. There is no evidence in thephotographic record to suggest otherwise."

底线： “所有的证据在这一分析是一致的结论，即对象的阿波罗16电影是长荣[太空行走]泛光灯/繁荣。没有任何证据的摄影记录显示并非如此。 ” + _8 W6 g7 F8 H0 e1 D) N1 j

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Image above: EnhancedApollo 16 image (left) compared with features of the EVAfloodlight/boom from the perspective of a Command/Service Module window(right).

Credit: NASA