韋斯特豪特50

韋斯特豪特50（W50）或SNR G039.7-02.0，也稱為海牛星雲。

註解
圖書來源
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外部連結

• [https://web.archive.org/web/20100701100050/http://blackholes.stardate.org/resources/articles/article.php?p=mystery-of-ss443 "The Mystery of SS433"]
• [http://www.nrao.edu/imagegallery/php/level3.php?id=266 Radio image (NRAO)]
• [http://www.mpe.mpg.de/xray/wave/rosat/gallery/calendar/1996/aug.php X-ray image (ROSAT)]
• [https://www.youtube.com/watch?v=x9jID0shAhw Cosmic manatee accelerates particles from head (ESA)]