File:Head in the Clouds (potw2249a).tiff
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原始檔案 (2,682 × 1,840 像素,檔案大小:28.28 MB,MIME 類型:image/tiff)
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 (上傳日期) |
來源 | Head in the Clouds |
作者 | ESA/Hubble & NASA, A. Nota, G. De Marchi |
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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
檔案來源 Chinese (Taiwan) (已轉換拼寫)
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日期/時間 | 縮圖 | 尺寸 | 用戶 | 備註 | |
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目前 | 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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寬度 | 2,682 px |
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高度 | 1,840 px |
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壓縮方式 | 未壓縮 |
像素合成 | RGB |
影像資料位置 | 32,892 |
方位 | 標準 |
像素數量 | 3 |
每帶行數 | 1,840 |
每壓縮帶位元組數 | 29,609,280 |
水平解析度 | 25.4 dpi |
垂直解析度 | 25.4 dpi |
資料排列 | 矮胖格式 |
使用軟體 | Adobe Photoshop 24.0 (Windows) |
檔案修改日期時間 | 2022年11月28日 (一) 22:03 |
色彩空間 | 顏色未校準 |