2016年09月08日:位在星云之间的火星-(Mars in the Clouds)

2016年09月08日:位在星云之间的火星-(Mars in the Clouds)

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2016-09-08 / 0 评论 / 0 阅读 / 正在检测是否收录...

2016年09月08日:位在星云之间的火星-(Mars in the Clouds)
2016年09月08日:位在星云之间的火星-(Mars in the Clouds)--原图下载


Image Credit &Copyright: Sebastian Voltmer
说明: 虽然看似漫步在这片美极的视野之中,但火星其实位在这些色彩缤纷的宇宙云气前方。这张建构自多幅望远镜照片的组合影像,宽度大约为5度 (10个满月)。影像捕捉到火星在8月26日晚的位置,当时它距离地球超过7光分,在视线方向非常靠近亮星心宿二和心宿增四星云群。在影像中,泛黄的火星出现在左上方,色泽上和位在影像中下方的心宿二 (天蝎座α)极为相近。球状星团M4则在心宿二右侧散发光芒,只不过它大约有7,000光年远,而心宿二的距离只有500光年。略比心宿二要近的心宿增四,其泛蓝的星光受到靠近影像顶端的尘埃分子云之反映。

原文:

Image Credit &Copyright: Sebastian Voltmer
Explanation: Wandering through this stunning field of view,Marsreally is in front of these colorful cosmic clouds.The mosaic contructed from telescopic imagesis about 5 degrees (10 full moons) across.It captures the planet's position on August 26,over 7 light-minutes from Earth andvery near the line-of-sight tobright star Antares and theRho Ophiuchi cloud complex.In the exposure yellow-hued Mars, above and left, is almostmatchedby Antares, also known as Alpha Scorpii, below center.Globular star cluster M4 shines just right of Antares,but M4 lies some 7,000 light-years away compared to Antares'500 light-year distance.Slightly closer than Antares, Rho Ophiuchi's bluish starlight isreflected by the dustymolecular cloudsnear the top of the frame.

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