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NASA-神秘的海洋。这个螺旋星系距离地球2.2亿光年 (在这里由 @ NASAHubble看到)，被称为
案例简介：神秘的海洋。这个螺旋星系距离地球2.2亿光年 (在这里由 @ NASAHubble看到)，被称为 “水母” 星系，因为恒星的蓝带像宇宙的触角一样从它后面。然而，当在x射线光下观察时，出现了一个更长的热气体尾巴，它延伸到260,000光年的空间 -- 这里用紫蓝色显示，数据来自 @ NASAChandraXRay。尾巴中新形成的恒星对天文学家来说是个谜。生活在星团中的星系往往比星团外的星系更快地停止形成新恒星。星团中的 “水母” 星系被星团的重力拉入，导致气体像风一样起作用，并可以在称为 “冲压压力剥离” 的过程中去除气体和灰尘。由于星系需要气体来形成恒星，这将减缓恒星形成的过程。天文学家希望了解剥离过程如何随着时间的推移而变化，以及这种变化如何影响形成新恒星的条件。图像描述: 明亮的蓝光被半透明的蓝色漩涡包围，向图像的左上方发射，留下两条长长的蓝色的年轻恒星丝带，像宇宙触角一样从银河系的圆盘上晃来晃去。在充满闪闪发光的恒星的黑色空间背景下，蓝色气体和恒星簇似乎与银河系一起沿着流动的尾巴旅行。在此图像中，x射线光在星系后面流动的热气体的尾部由蓝色表示。在可见光下，你可以看到像 “水母触角” 的蓝色卷须。信用: NASA，ESA，CXC # NASA # 太空 # 星系 # 恒星 # 气体 # 水母 # 螺旋星系
NASA-神秘的海洋。这个螺旋星系距离地球2.2亿光年 (在这里由 @ NASAHubble看到)，被称为
案例简介：A sea of mystery. This spiral galaxy, found 220 million light-years from Earth (and seen here by @NASAHubble), is known as a "jellyfish" galaxy because of the blue ribbons of stars that trail from it like cosmic tentacles. When viewed in X-ray light, though, an even longer tail of hot gas emerges which extends across 260,000 light-years of space—shown here in purplish-blue with data from @NASAChandraXRay.The newly-forming stars in the tail are a mystery to astronomers. Galaxies that live in a cluster tend to stop forming new stars sooner than galaxies outside of clusters. The “jellyfish” galaxy in the cluster is getting pulled in by the cluster’s gravity which causes the gas to act like wind and can remove the gas and dust in a process called “ram pressure stripping”. Since galaxies need gas to form stars, this will then slow the process of star formation. Astronomers hope to learn how the stripping process changed over time and how that affected conditions to form new stars.Image description: A bright blue light, encircled by translucent blue swirls, rockets toward the upper left of the image, leaving two long blue ribbons of young stars dangling from the galaxy’s disk like cosmic tentacles. Set against a black background of space packed with gleaming stars, clusters of blue gas and stars appear to travel with the galaxy alongside the flowing tails. In this image, X-ray light is represented by blue in the tail of hot gas streaming behind the galaxy. In visible light, you can see the blue tendrils like “jellyfish tentacles”. Credit: NASA, ESA, CXC#NASA #Space #Galaxy #Stars #Gas #Jellyfish #SpiralGalaxy
NASA - A sea of mystery. This spiral galaxy, found 220 million light-years from Earth (and seen here by @NASAHubble), is known a
案例简介：神秘的海洋。这个螺旋星系距离地球2.2亿光年 (在这里由 @ NASAHubble看到)，被称为 “水母” 星系，因为恒星的蓝带像宇宙的触角一样从它后面。然而，当在x射线光下观察时，出现了一个更长的热气体尾巴，它延伸到260,000光年的空间 -- 这里用紫蓝色显示，数据来自 @ NASAChandraXRay。尾巴中新形成的恒星对天文学家来说是个谜。生活在星团中的星系往往比星团外的星系更快地停止形成新恒星。星团中的 “水母” 星系被星团的重力拉入，导致气体像风一样起作用，并可以在称为 “冲压压力剥离” 的过程中去除气体和灰尘。由于星系需要气体来形成恒星，这将减缓恒星形成的过程。天文学家希望了解剥离过程如何随着时间的推移而变化，以及这种变化如何影响形成新恒星的条件。图像描述: 明亮的蓝光被半透明的蓝色漩涡包围，向图像的左上方发射，留下两条长长的蓝色的年轻恒星丝带，像宇宙触角一样从银河系的圆盘上晃来晃去。在充满闪闪发光的恒星的黑色空间背景下，蓝色气体和恒星簇似乎与银河系一起沿着流动的尾巴旅行。在此图像中，x射线光在星系后面流动的热气体的尾部由蓝色表示。在可见光下，你可以看到像 “水母触角” 的蓝色卷须。信用: NASA，ESA，CXC # NASA # 太空 # 星系 # 恒星 # 气体 # 水母 # 螺旋星系
NASA - A sea of mystery. This spiral galaxy, found 220 million light-years from Earth (and seen here by @NASAHubble), is known a
案例简介：A sea of mystery. This spiral galaxy, found 220 million light-years from Earth (and seen here by @NASAHubble), is known as a "jellyfish" galaxy because of the blue ribbons of stars that trail from it like cosmic tentacles. When viewed in X-ray light, though, an even longer tail of hot gas emerges which extends across 260,000 light-years of space—shown here in purplish-blue with data from @NASAChandraXRay.The newly-forming stars in the tail are a mystery to astronomers. Galaxies that live in a cluster tend to stop forming new stars sooner than galaxies outside of clusters. The “jellyfish” galaxy in the cluster is getting pulled in by the cluster’s gravity which causes the gas to act like wind and can remove the gas and dust in a process called “ram pressure stripping”. Since galaxies need gas to form stars, this will then slow the process of star formation. Astronomers hope to learn how the stripping process changed over time and how that affected conditions to form new stars.Image description: A bright blue light, encircled by translucent blue swirls, rockets toward the upper left of the image, leaving two long blue ribbons of young stars dangling from the galaxy’s disk like cosmic tentacles. Set against a black background of space packed with gleaming stars, clusters of blue gas and stars appear to travel with the galaxy alongside the flowing tails. In this image, X-ray light is represented by blue in the tail of hot gas streaming behind the galaxy. In visible light, you can see the blue tendrils like “jellyfish tentacles”. Credit: NASA, ESA, CXC#NASA #Space #Galaxy #Stars #Gas #Jellyfish #SpiralGalaxy
NASA-神秘的海洋。这个螺旋星系距离地球2.2亿光年 (在这里由 @ NASAHubble看到)，被称为
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NASA - A sea of mystery. This spiral galaxy, found 220 million light-years from Earth (and seen here by @NASAHubble), is known a
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