火箭燃料

                                                          信用＆版权：戴夫kodama
说明：这张绚丽的猎户座影像显示了星座内年轻恒星以及由氢气和尘埃组成的宇宙云。11月11日，一台数码摄像机持续曝光40分钟后拍摄得到了这张影像。影像中包括猎户座大星云（中央附近），这个著名星云内有一条链子就是猎户座的三颗腰带星，巨大的半圆弧就是著名的巴纳德环，看上去在右下方消失，紧接着就是淡蓝色的超巨星参宿七。在不经意间，上面影像中还拍摄到了一条未知的彗星状明亮云带，与猎户座著名星云分享了这片天空。这个画面同样被其他天空观测者发现，很快地，这条神秘的云带被认为是用来发射地球同步轨道卫星的助推火箭脱落燃料箱后造成。反射阳光后，随着时间的推移，燃料箱开始从星场的西侧（右方）慢慢地向东漂移，形成了楔子状条纹。

Explanation: This gorgeous image of Orion shows off the constellation's young stars and cosmic clouds of hydrogen gas and dust. Made with a film camera tracking the stars on November 11, the exposure lasted some 40 minutes. It includes the Great Orion Nebula (near center), a string of well-known nebulae leading upwards to Orion's three belt stars, and the large semi-circular arc known as Barnard's Loop that seems to end at the bottom right, next to bluish supergiant star Rigel. Serendipitously, the picture also recorded a bright, comet-shaped cloud not known to share the sky with Orion's famous stars and nebulae. Also spotted by other skywatchers, the mystery cloud was quickly recognized as a fuel dump from a booster rocket used to place a satellite in geosynchronous orbit. Reflecting sunlight, the fuel dump plume begins on the west (right) side of the star field and expands as it slowly drifts eastward and fades during the time exposure, creating the wedge-shaped streak.



翻译：apod北京天文馆镜像站
来源:http://antwrp.gsfc.nasa.gov/apod/astropix.html

版主注：感谢[水星人]同好于6楼提供说明、感谢[night_sky]同好在5楼提供的说明原文！

[ 本帖最后由 活动星图 于 2007-11-16 21:16 编辑 ]

机器翻译的吧。。。

是机器翻译的

难怪语句不通，读起来别扭，还是发原文吧！

Rocket Fuel
Credit & Copyright: Dave Kodama
Explanation: This gorgeous image of Orion shows off the constellation's young stars and cosmic clouds of hydrogen gas and dust. Made with a film camera tracking the stars on November 11, the exposure lasted some 40 minutes. It includes the Great Orion Nebula (near center), a string of well-known nebulae leading upwards to Orion's three belt stars, and the large semi-circular arc known as Barnard's Loop that seems to end at the bottom right, next to bluish supergiant star Rigel. Serendipitously, the picture also recorded a bright, comet-shaped cloud not known to share the sky with Orion's famous stars and nebulae. Also spotted by other skywatchers, the mystery cloud was quickly recognized as a fuel dump from a booster rocket used to place a satellite in geosynchronous orbit. Reflecting sunlight, the fuel dump plume begins on the west (right) side of the star field and expands as it slowly drifts eastward and fades during the time exposure, creating the wedge-shaped streak.

等北京天文馆镜像.成大物理分站的翻译出来在改过来

说明：这张绚丽的猎户座影像显示了星座内年轻恒星以及由氢气和尘埃组成的宇宙云。11月11日，一台数码摄像机持续曝光40分钟后拍摄得到了这张影像。影像中包括猎户座大星云（中央附近），这个著名星云内有一条链子就是猎户座的三颗腰带星，巨大的半圆弧就是著名的巴纳德环，看上去在右下方消失，紧接着就是淡蓝色的超巨星参宿七。在不经意间，上面影像中还拍摄到了一条未知的彗星状明亮云带，与猎户座著名星云分享了这片天空。这个画面同样被其他天空观测者发现，很快地，这条神秘的云带被认为是用来发射地球同步轨道卫星的助推火箭脱落燃料箱后造成。反射阳光后，随着时间的推移，燃料箱开始从星场的西侧（右方）慢慢地向东漂移，形成了楔子状条纹。
本贴摘自北京天文馆网站

在Photoshop里做一个镜像处理，翻转过来，就是中国探月工程的LOGO了

还真的很像。。。

一把待射的弓~~