File:NGC1755 - HST - Potw2151a.jpg
![File:NGC1755 - HST - Potw2151a.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/7/76/NGC1755_-_HST_-_Potw2151a.jpg/800px-NGC1755_-_HST_-_Potw2151a.jpg)
原始文件 (4,421 × 3,123像素,文件大小:3.79 MB,MIME类型:image/jpeg)
摘要
描述NGC1755 - HST - Potw2151a.jpg |
English: A Sprinkling of Stars
The open star cluster NGC 1755 resembles a pinch of salt strewn on a jet-black tablecloth in this image from the NASA/ESA Hubble Space Telescope. This collection of stars resides in one the Milky Way’s near neighbours — the Large Magellanic Cloud — and measures 120 light-years from side to side. Despite this impressive breadth, NGC 1755 is a member of the smaller class of star clusters. Star clusters are gravitationally bound collections of stars, and come in two main varieties — smaller open clusters like NGC 1755, which are hosts to younger stars, and gargantuan globular clusters, which can contain millions of older stars. Hubble gazed into the heart of NGC 1755 in order to better understand how different populations of stars can co-exist in a single cluster. A population of stars is a group of stars with similar properties such as age or chemical composition, and these populations provide astronomers with valuable insights into the births, lives, and deaths of stars. Clusters in the Magellanic Clouds are particularly useful natural laboratories thanks to the Clouds’ proximity to the Milky Way. Hubbles’s eagle-eyed vision was a vital asset when observing NGC 1755 — with so many stars packed into a small area of sky, Hubble’s high-resolution Advanced Camera for Surveys and Wide Field Camera 3 allowed individual stars in the cluster to be distinguished. Credit: ESA/Hubble & NASA, A. Milone, G. Gilmore
Coordinates Position (RA): 4 55 15.25 Position (Dec): -68° 12' 18.71" Field of view: 2.92 x 2.06 arcminutes Orientation: North is 115.6° left of vertical Colours & filters Band Wavelength Telescope Optical U 336 nm Hubble Space Telescope WFC3 Optical I 814 nm Hubble Space Telescope WFC3 Optical U 336 nm Hubble Space Telescope WFC3 Optical V 555 nm Hubble Space Telescope ACS Optical I 814 nm Hubble Space Telescope WFC3. |
日期 | 20 December 2021, 06:00 (released) |
来源 | https://esahubble.org/images/potw2151a/ |
作者 | ESA/Hubble & NASA, A. Milone, G. Gilmore |
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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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当前 | 2021年12月20日 (一) 09:26 | ![]() | 4,421 × 3,123(3.79 MB) | Fabian RRRR | {{delete|reason=This file was initially tagged by AntiCompositeBot as '''no license''' (User:AntiCompositeBot/NoLicense/tag)|subpage=File:NGC3568 - HST - Potw2150a.jpg|year=2021|month=December|day=13}} == {{int:filedesc}} == {{Information |description={{en|1=''A Sprinkling of Stars The open star cluster NGC 1755 resembles a pinch of salt strewn on a jet-black tablecloth in this image from the NASA/ESA Hubble Space Telescope. This collection of stars resides in one t... |
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来源 | ESA/Hubble |
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提供者 | ESA/Hubble & NASA, A. Milone, G. Gilmore |
简短标题 |
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图像标题 |
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使用条款 |
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数据生成日期时间 | 2021年12月20日 (一) 06:00 |
使用软件 | Adobe Photoshop 23.0 (Windows) |
文件修改日期时间 | 2021年11月22日 (一) 22:10 |
数字化日期时间 | 2021年10月27日 (三) 20:05 |
元数据最后修改日期 | 2021年11月22日 (一) 23:10 |
原始文件唯一ID | xmp.did:76bb9055-7223-6d4f-8f01-bfa65ea10078 |
关键词 | NGC 1755 |
联系信息 |
ESA Office, Space Telescope Science Institute, 3700 San Martin Dr Baltimore, MD, 21218 United States |
IIM版本 | 4 |