File:Head in the Clouds (potw2249a).tiff
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摘要
描述Head in the Clouds (potw2249a).tiff |
English: A small portion of the Small Magellanic Cloud (SMC) is pictured in this image from the NASA/ESA Hubble Space Telescope. The SMC is a dwarf galaxy and one of the Milky Way’s nearest neighbours, lying only about 200 000 light-years from Earth. It makes a pair with the Large Magellanic Cloud, and both objects can be seen from the southern hemisphere, as well as from some northern latitudes.The Small Magellanic Cloud contains hundreds of millions of stars, but this image focuses on just a small fraction of them. These stars comprise the open cluster NGC 376, which has a total mass only about 3400 times that of the Sun. Open clusters, as the name suggests, are loosely bound and sparsely populated. This distinguishes open clusters from globular clusters, which are often so thronged with stars that they have a continuous blur of starlight at their centres. In the case of NGC 376, individual stars can be picked out clearly even in the most densely populated parts of this image.The data in this image come from two different astronomical investigations which relied on two of Hubble’s instruments: the Wide Field Camera 3 (WFC3) and the Advanced Camera for Surveys (ACS). The first investigation used the ACS to explore a handful of star clusters in the Small Magellanic Cloud and help astronomers explore topics including the abundance of low- and high-mass stars in different environments. The second investigation used both the WFC3 and ACS, and aimed to answer fundamental questions about the lives of stars and help astronomers understand precisely where, when, why and how stars form.[Image description: A large number of bright stars, each with a cross-shape extending from its centre. In the centre there is a dense collection of foreground stars. Five are orange and the rest are blue. The black background is filled with small stars — most of them, however, larger than a single point.] |
日期 | 2022年12月5日 (上传日期) |
来源 | Head in the Clouds |
作者 | ESA/Hubble & NASA, A. Nota, G. De Marchi |
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ESA/Hubble images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the hubblesite.org website, or for ESA/Hubble images on the esahubble.org site before 2009, use the {{PD-Hubble}} tag.
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说明
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A small portion of the Small Magellanic Cloud (SMC) is pictured in this image from the NASA/ESA Hubble Space Telescope. The SMC is a dwarf galaxy and one of the Milky Way’s nearest neighbours, lying only about 200 000 light-years from Earth.
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image/tiff
1,840 像素
2,682 像素
5 12 2022
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当前 | 2023年6月30日 (五) 21:01 | ![]() | 2,682 × 1,840(28.28 MB) | OptimusPrimeBot | #Spacemedia - Upload of https://esahubble.org/media/archives/images/original/potw2249a.tif via Commons:Spacemedia |
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宽度 | 2,682 px |
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高度 | 1,840 px |
每色彩组分位数 |
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压缩方案 | 未压缩 |
像素构成 | RGB |
图像数据位置 | 32,892 |
方向 | 正常 |
色彩组分数 | 3 |
每带行数 | 1,840 |
每压缩带字节数 | 29,609,280 |
水平分辨率 | 25.4 dpi |
垂直分辨率 | 25.4 dpi |
数据排布 | 大块格式 |
使用软件 | Adobe Photoshop 24.0 (Windows) |
文件修改日期时间 | 2022年11月28日 (一) 22:03 |
色彩空间 | 未标定 |
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