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2020-04-06
2020年04月06日:NGC 1672: 哈伯望远镜拍摄的棒旋星系-(NGC 1672: Barred Spiral Galaxy from Hubble)
2020年04月06日:NGC 1672: 哈伯望远镜拍摄的棒旋星系-(NGC 1672: Barred Spiral Galaxy from Hubble)--原图下载{mtitle title="NGC 1672: 哈伯望远镜拍摄的棒旋星系"/}Image Credit: Hubble Legacy Archive,NASA,ESA; Processing & Copyright: Daniel Nobre说明: 许多螺旋星系有棒状的核心,就连我们的银河系,咸认也有一个中等大小的核心棒。上面这幅明亮棒旋星系NGC 1672的超高解析主题影像,是由轨道上的哈伯太空望远镜所拍摄。在这幅影像中,可见到丝缕状的黝黑尘埃带、泛蓝亮星聚成的年轻星团、辉光氢气所组成的泛红发射星云、一道横过星系核心由明亮恒星所构成的长棒结构、以及一个可能藏有超大质量黑洞的明亮活跃星系核。位剑鱼座方向的NGC 1672,离地球约6千万光年远,大小则约为75,000光年。对NGC 1672所进行的研究,主旨是要釐清核心棒对星系核心区的恒星诞生有何贡献。{lamp/}原文:{mtitle title="NGC 1672: Barred Spiral Galaxy from Hubble"/}Image Credit: Hubble Legacy Archive,NASA,ESA; Processing & Copyright: Daniel NobreExplanation: Many spiral galaxies have bars across their centers. Even our ownMilky Way Galaxy is thought to have amodest central bar.Prominently barred spiral galaxy NGC 1672, featured here, was captured in spectacular detail in an image taken by the orbitingHubble Space Telescope.Visible are dark filamentarydust lanes, youngclusters of bright blue stars, redemission nebulas of glowing hydrogen gas,a long bright bar of stars across the center, and a brightactive nucleus that likely houses a supermassiveblack hole. Light takes about 60 million years to reach us from NGC 1672, which spans about 75,000light years across.NGC 1672, which appears toward the constellation of the Dolphinfish(Dorado), hasbeen studied to find out how a spiral bar contributes to star formation in a galaxy's central regions.
2020年04月06日
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2018-10-09
2018年10月09日:NGC 1672: 哈伯望远镜拍摄的棒旋星系-(NGC 1672: Barred Spiral Galaxy from Hubble)
2018年10月09日:NGC 1672: 哈伯望远镜拍摄的棒旋星系-(NGC 1672: Barred Spiral Galaxy from Hubble)--原图下载{mtitle title="NGC 1672: 哈伯望远镜拍摄的棒旋星系"/}Image Credit: Hubble Legacy Archive,NASA,ESA; Processing & Copyright: Domingo Pestana &Raul Villaverde说明: 许多螺旋星系有棒状的核心,就连我们的银河系,咸认也有一个中等大小的核心棒。上面这幅明亮棒旋星系NGC 1672的超高解析主题影像,是由轨道上的哈伯太空望远镜所拍摄。在这幅影像中,可见到丝缕状的黝黑尘埃带、泛蓝亮星聚成的年轻星团、辉光氢气所组成的泛红发射星云、一道横过星系核心由明亮恒星所组成的长棒结构、以及一个可能藏有超大质量黑洞的明亮活跃星系核。位剑鱼座方向的NGC 1672,离地球约6千万光年远,大小则在约为75,000光年左右。对NGC 1672所进行的研究,旨在釐清核心棒对星系核心区的恒星诞生有何贡献。{lamp/}原文:{mtitle title="NGC 1672: Barred Spiral Galaxy from Hubble"/}Image Credit: Hubble Legacy Archive,NASA,ESA; Processing & Copyright: Domingo Pestana &Raul VillaverdeExplanation: Many spiral galaxies have bars across their centers. Even our ownMilky Way Galaxy is thought to have amodest central bar.Prominently barred spiral galaxy NGC 1672, featured here, was captured in spectacular detail in an image taken by the orbitingHubble Space Telescope.Visible are dark filamentarydust lanes, youngclusters of bright blue stars, redemission nebulas of glowing hydrogen gas,a long bright bar of stars across the center, and a brightactive nucleus that likely houses a supermassiveblack hole. Light takes about 60 million years to reach us from NGC 1672, which spans about 75,000light years across.NGC 1672, which appears toward the constellation of the Dolphinfish(Dorado), isbeing studied to find out how a spiral bar contributes to star formation in a galaxy's central regions.
2018年10月09日
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2012-05-13
2012年05月13日:哈伯望远镜的棒旋星系 NGC 1672-(Spiral Galaxy NGC 1672 from Hubble)
2012年05月13日:哈伯望远镜的棒旋星系 NGC 1672-(Spiral Galaxy NGC 1672 from Hubble)--原图下载{mtitle title="哈伯望远镜的棒旋星系 NGC 1672"/}Image Credit: NASA,ESA,Hubble Heritage Team(STScI/AURA)Hubble Heritage (STScI/AURA); Acknowledgment: L. Jenkins(GSFC/<ahref="http://www2.le.ac.uk/departments/physics">U. Leicester)说明: 许多螺旋星系的中心都有棒状结构;连我们的银河系,也许都有一个不大的中心棒。上面这幅棒旋星系NGC 1672的超高解析影像,是由哈伯太空望远镜所拍摄。影像中可见到丝状的尘埃带、内有蓝色亮星的年轻星团、发出氢红色辉光的发射星云、横跨星系核心的明亮棒状结构、以及一个可能藏有超大质量黑洞的明亮活跃星系核。位剑鱼座方向的NGC 1672,离地球约六千万光年远,大小约为七万五千光年。天文学家们正在研究:棒状旋涡结构如何影响星系中心区的恒星诞生活动。{lamp/}原文:{mtitle title="Spiral Galaxy NGC 1672 from Hubble"/}Image Credit: NASA,ESA,Hubble Heritage Team(STScI/AURA)Hubble Heritage (STScI/AURA); Acknowledgment: L. Jenkins(GSFC/<ahref="http://www2.le.ac.uk/departments/physics">U. Leicester)Explanation: Many spiral galaxies have bars across their centers. Even our ownMilky Way Galaxy is thought to have amodest central bar.Prominently barred spiral galaxy NGC 1672, pictured above, was captured in spectacular detail in image taken by the orbitingHubble Space Telescope.Visible are dark filamentarydust lanes, youngclusters of bright blue stars, redemission nebulas of glowing hydrogen gas,a long bright bar of stars across the center, and a brightactive nucleus that likely houses a supermassiveblack hole. Light takes about 60 million years to reach us fromNGC 1672, which spans about 75,000light years across.NGC 1672, which appears toward the constellation of the Dolphinfish(Dorado), isbeing studied to find out how a spiral bar contributes to star formation in a galaxy's central regions.
2012年05月13日
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2007-04-18
2007年04月18日:棒旋星系 NGC 1672-(Barred Spiral Galaxy NGC 1672)
2007年04月18日:棒旋星系 NGC 1672-(Barred Spiral Galaxy NGC 1672)--原图下载{mtitle title="棒旋星系 NGC 1672"/}Credit: NASA, ESA, Hubble Heritage Team(STScI /AURA)Hubble Heritage (STScI/AURA); Acknowledgment: L. Jenkins (GSFC/U. Leicester)说明: 许多旋涡状星系的中心都有棒状结构。甚至我们的银河系中心就有一个棒状结构。上图,是个显着的棒旋星系 NGC 1672,这张照片是哈伯太空望远镜最近才释出的超高解析度影像。影像中可见丝状的尘埃云,拥有蓝色亮星的年轻星团,由氢气发出红光的发射星云,一个跨过中心的明亮长形棒状结构,以及一个存有超大质量黑洞的明亮活跃核心。NGC 1672 距离地球大约6,000万光年远,大小约75,000光年,位于剑鱼座的方向。天文学家们正利用它来研究棒状旋涡结构如何影响星系中心区域的恒星形成。{lamp/}原文:{mtitle title="Barred Spiral Galaxy NGC 1672"/}Credit: NASA, ESA, Hubble Heritage Team(STScI /AURA)Hubble Heritage (STScI/AURA); Acknowledgment: L. Jenkins (GSFC/U. Leicester)Explanation: Many spiral galaxies have bars across their centers. Even our own Milky Way Galaxy is thought to have a modest central bar. Prominently barred spiral galaxy NGC 1672, pictured above, was captured in spectacular detail in this recently released image taken by the orbiting Hubble Space Telescope.Visible are dark filamentary dust lanes, young clusters of bright blue stars, red emission nebulas of glowing hydrogen gas, a long bright bar of stars across the center, and a bright active nucleus that likely houses a supermassive black hole. Light takes about 60 million years to reach us from NGC 1672, which spans about 75,000 light years across.NGC 1672, which appears toward the constellation of the Swordfish (Dorado), is being studied to find out how a spiral bar contributes to star formation in a galaxy's central regions.
2007年04月18日
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