Galaxy 星系

This detailed view of the central parts of the nearby active galaxy NGC 1433 was released by the European Southern Observatory on Oct. 16. The dim blue background image, showing the central dust lanes of this galaxy, comes from the NASA/ESA Hubble Space Telescope. The colored structures near the center are from recent ALMA observations that have revealed a spiral shape, as well as an unexpected outflow, for the first time.ESO via AFP - Getty Images
Month in Space: October 2013- slideshow - slide - 1 - NBCNews.com
http://www.nbcnews.com/slideshow/technologyandscience/month-in-space-october-2013-53426718

Galaxy - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Galaxy
星系 - 維基百科，自由的百科全書  http://zh.wikipedia.org/wiki/%E6%98%9F%E7%B3%BB

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