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原始文件 (1,189 × 1,181像素,文件大小:105 KB,MIME类型:image/jpeg


摘要

描述
English: Hubble peered into the core of Messier 105 (also known as NGC 3379) and measured the motions of stars swirling around its center. These observations proved that a supermassive black hole resides at the galaxy’s heart. According to recent estimates, this black hole could be up to 200 million times as massive as our Sun.
日期 (released)
来源 https://www.flickr.com/photos/nasahubble/37482401952/; see also https://hubblesite.org/contents/news-releases/1997/news-1997-01.html
作者 NASA, ESA, Karl Gebhardt (University of Michigan), and Tod Lauer (NOAO)

许可协议

Public domain
This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.

The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org.

For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag.



这幅图片原始出处为Flickr的https://flickr.com/photos/144614754@N02/37482401952 ,作者为NASA Hubble 。经机器人FlickreviewR 2在2018年7月13日审查后确定为采用Public Domain Mark的协议授权使用。

2018年7月13日

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当前2018年7月13日 (五) 15:322018年7月13日 (五) 15:32版本的缩略图1,189 × 1,181(105 KB)Hiàn (alt)Transferred from Flickr via #flickr2commons

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